Home / 74,886.38-112,329.36-30,502.70

Finding the Fourth Proportional to 74,886.38, 112,329.36 and 30,502.70

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Solution

The fourth proportional to 74,886.38, 112,329.36 and 30,502.70 is: 45,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.38 : 112,329.36 = 30,502.70 : x
  2. Step 2: Convert to fraction form
    74,886.38/112,329.36 = 30,502.70/x
  3. Step 3: Cross multiply
    74,886.38x = 112,329.36 × 30,502.70
  4. Step 4: Simplify right side
    74,886.38x = 3,426,348,769.27
  5. Step 5: Solve for x
    x = 3,426,348,769.27/74,886.38
  6. Step 6: Final answer
    x = 45,753.96

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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.