Home / 60,887.36-91,331.20-18,766.08

Finding the Fourth Proportional to 60,887.36, 91,331.20 and 18,766.08

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Solution

The fourth proportional to 60,887.36, 91,331.20 and 18,766.08 is: 28,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,887.36 : 91,331.20 = 18,766.08 : x
  2. Step 2: Convert to fraction form
    60,887.36/91,331.20 = 18,766.08/x
  3. Step 3: Cross multiply
    60,887.36x = 91,331.20 × 18,766.08
  4. Step 4: Simplify right side
    60,887.36x = 1,713,928,605.70
  5. Step 5: Solve for x
    x = 1,713,928,605.70/60,887.36
  6. Step 6: Final answer
    x = 28,149.17

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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.