Home / 60,543.40-90,823.20-21,112.60

Finding the Fourth Proportional to 60,543.40, 90,823.20 and 21,112.60

Calculator

Solution

The fourth proportional to 60,543.40, 90,823.20 and 21,112.60 is: 31,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,543.40 : 90,823.20 = 21,112.60 : x
  2. Step 2: Convert to fraction form
    60,543.40/90,823.20 = 21,112.60/x
  3. Step 3: Cross multiply
    60,543.40x = 90,823.20 × 21,112.60
  4. Step 4: Simplify right side
    60,543.40x = 1,917,513,892.32
  5. Step 5: Solve for x
    x = 1,917,513,892.32/60,543.40
  6. Step 6: Final answer
    x = 31,671.72

Related Problems

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.