Home / 38,702.30-53,412.26-22,789.85

Finding the Fourth Proportional to 38,702.30, 53,412.26 and 22,789.85

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Solution

The fourth proportional to 38,702.30, 53,412.26 and 22,789.85 is: 31,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702.30 : 53,412.26 = 22,789.85 : x
  2. Step 2: Convert to fraction form
    38,702.30/53,412.26 = 22,789.85/x
  3. Step 3: Cross multiply
    38,702.30x = 53,412.26 × 22,789.85
  4. Step 4: Simplify right side
    38,702.30x = 1,217,257,012.55
  5. Step 5: Solve for x
    x = 1,217,257,012.55/38,702.30
  6. Step 6: Final answer
    x = 31,451.80

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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.