Home / 40,366.40-60,499.20-20,652.80

Finding the Fourth Proportional to 40,366.40, 60,499.20 and 20,652.80

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Solution

The fourth proportional to 40,366.40, 60,499.20 and 20,652.80 is: 30,953.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,366.40 : 60,499.20 = 20,652.80 : x
  2. Step 2: Convert to fraction form
    40,366.40/60,499.20 = 20,652.80/x
  3. Step 3: Cross multiply
    40,366.40x = 60,499.20 × 20,652.80
  4. Step 4: Simplify right side
    40,366.40x = 1,249,477,877.76
  5. Step 5: Solve for x
    x = 1,249,477,877.76/40,366.40
  6. Step 6: Final answer
    x = 30,953.41

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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.