Home / 74,864.60-112,313.10-22,279.40

Finding the Fourth Proportional to 74,864.60, 112,313.10 and 22,279.40

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Solution

The fourth proportional to 74,864.60, 112,313.10 and 22,279.40 is: 33,423.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,864.60 : 112,313.10 = 22,279.40 : x
  2. Step 2: Convert to fraction form
    74,864.60/112,313.10 = 22,279.40/x
  3. Step 3: Cross multiply
    74,864.60x = 112,313.10 × 22,279.40
  4. Step 4: Simplify right side
    74,864.60x = 2,502,268,480.14
  5. Step 5: Solve for x
    x = 2,502,268,480.14/74,864.60
  6. Step 6: Final answer
    x = 33,423.92

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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.