Home / 40,165.64-60,255.36-13,864.16

Finding the Fourth Proportional to 40,165.64, 60,255.36 and 13,864.16

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Solution

The fourth proportional to 40,165.64, 60,255.36 and 13,864.16 is: 20,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,165.64 : 60,255.36 = 13,864.16 : x
  2. Step 2: Convert to fraction form
    40,165.64/60,255.36 = 13,864.16/x
  3. Step 3: Cross multiply
    40,165.64x = 60,255.36 × 13,864.16
  4. Step 4: Simplify right side
    40,165.64x = 835,389,951.90
  5. Step 5: Solve for x
    x = 835,389,951.90/40,165.64
  6. Step 6: Final answer
    x = 20,798.62

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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.