Home / 46,702.48-70,013.76-20,387.92

Finding the Fourth Proportional to 46,702.48, 70,013.76 and 20,387.92

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Solution

The fourth proportional to 46,702.48, 70,013.76 and 20,387.92 is: 30,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,702.48 : 70,013.76 = 20,387.92 : x
  2. Step 2: Convert to fraction form
    46,702.48/70,013.76 = 20,387.92/x
  3. Step 3: Cross multiply
    46,702.48x = 70,013.76 × 20,387.92
  4. Step 4: Simplify right side
    46,702.48x = 1,427,434,937.78
  5. Step 5: Solve for x
    x = 1,427,434,937.78/46,702.48
  6. Step 6: Final answer
    x = 30,564.44

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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.