Home / 39,310.34-54,253.04-22,319.87

Finding the Fourth Proportional to 39,310.34, 54,253.04 and 22,319.87

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Solution

The fourth proportional to 39,310.34, 54,253.04 and 22,319.87 is: 30,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.34 : 54,253.04 = 22,319.87 : x
  2. Step 2: Convert to fraction form
    39,310.34/54,253.04 = 22,319.87/x
  3. Step 3: Cross multiply
    39,310.34x = 54,253.04 × 22,319.87
  4. Step 4: Simplify right side
    39,310.34x = 1,210,920,799.90
  5. Step 5: Solve for x
    x = 1,210,920,799.90/39,310.34
  6. Step 6: Final answer
    x = 30,804.13

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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.