Home / 53,964.19-74,451.05-31,290.71

Finding the Fourth Proportional to 53,964.19, 74,451.05 and 31,290.71

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Solution

The fourth proportional to 53,964.19, 74,451.05 and 31,290.71 is: 43,169.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,964.19 : 74,451.05 = 31,290.71 : x
  2. Step 2: Convert to fraction form
    53,964.19/74,451.05 = 31,290.71/x
  3. Step 3: Cross multiply
    53,964.19x = 74,451.05 × 31,290.71
  4. Step 4: Simplify right side
    53,964.19x = 2,329,625,803.38
  5. Step 5: Solve for x
    x = 2,329,625,803.38/53,964.19
  6. Step 6: Final answer
    x = 43,169.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.