Home / 39,150.72-54,050.76-29,702.88

Finding the Fourth Proportional to 39,150.72, 54,050.76 and 29,702.88

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Solution

The fourth proportional to 39,150.72, 54,050.76 and 29,702.88 is: 41,007.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.72 : 54,050.76 = 29,702.88 : x
  2. Step 2: Convert to fraction form
    39,150.72/54,050.76 = 29,702.88/x
  3. Step 3: Cross multiply
    39,150.72x = 54,050.76 × 29,702.88
  4. Step 4: Simplify right side
    39,150.72x = 1,605,463,238.19
  5. Step 5: Solve for x
    x = 1,605,463,238.19/39,150.72
  6. Step 6: Final answer
    x = 41,007.25

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Half scale
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Double scale
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1.5x scale

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.