Home / 42,002.52-63,004.98-15,702.24

Finding the Fourth Proportional to 42,002.52, 63,004.98 and 15,702.24

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Solution

The fourth proportional to 42,002.52, 63,004.98 and 15,702.24 is: 23,553.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,002.52 : 63,004.98 = 15,702.24 : x
  2. Step 2: Convert to fraction form
    42,002.52/63,004.98 = 15,702.24/x
  3. Step 3: Cross multiply
    42,002.52x = 63,004.98 × 15,702.24
  4. Step 4: Simplify right side
    42,002.52x = 989,319,317.16
  5. Step 5: Solve for x
    x = 989,319,317.16/42,002.52
  6. Step 6: Final answer
    x = 23,553.81

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1.5x scale

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.