Home / 40,529.12-60,781.32-14,227.61

Finding the Fourth Proportional to 40,529.12, 60,781.32 and 14,227.61

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Solution

The fourth proportional to 40,529.12, 60,781.32 and 14,227.61 is: 21,337.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,529.12 : 60,781.32 = 14,227.61 : x
  2. Step 2: Convert to fraction form
    40,529.12/60,781.32 = 14,227.61/x
  3. Step 3: Cross multiply
    40,529.12x = 60,781.32 × 14,227.61
  4. Step 4: Simplify right side
    40,529.12x = 864,772,612.34
  5. Step 5: Solve for x
    x = 864,772,612.34/40,529.12
  6. Step 6: Final answer
    x = 21,337.07

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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.