Home / 31,864.17-43,788.02-30,400.71

Finding the Fourth Proportional to 31,864.17, 43,788.02 and 30,400.71

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Solution

The fourth proportional to 31,864.17, 43,788.02 and 30,400.71 is: 41,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.17 : 43,788.02 = 30,400.71 : x
  2. Step 2: Convert to fraction form
    31,864.17/43,788.02 = 30,400.71/x
  3. Step 3: Cross multiply
    31,864.17x = 43,788.02 × 30,400.71
  4. Step 4: Simplify right side
    31,864.17x = 1,331,186,897.49
  5. Step 5: Solve for x
    x = 1,331,186,897.49/31,864.17
  6. Step 6: Final answer
    x = 41,776.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.