Home / 60,308.38-90,445.29-20,323

Finding the Fourth Proportional to 60,308.38, 90,445.29 and 20,323

Calculator

Solution

The fourth proportional to 60,308.38, 90,445.29 and 20,323 is: 30,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,308.38 : 90,445.29 = 20,323 : x
  2. Step 2: Convert to fraction form
    60,308.38/90,445.29 = 20,323/x
  3. Step 3: Cross multiply
    60,308.38x = 90,445.29 × 20,323
  4. Step 4: Simplify right side
    60,308.38x = 1,838,119,628.67
  5. Step 5: Solve for x
    x = 1,838,119,628.67/60,308.38
  6. Step 6: Final answer
    x = 30,478.68

Related Problems

Find fourth proportional to 30,154.19, 45,222.65 and 10,161.50
Half scale
Find fourth proportional to 120,616.76, 180,890.58 and 40,646
Double scale
Find fourth proportional to 60,309.38, 90,446.79 and 20,324
Similar ratio
Find fourth proportional to 90,462.57, 135,667.94 and 30,484.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.