Home / 45,301.78-67,925.84-13,702.26

Finding the Fourth Proportional to 45,301.78, 67,925.84 and 13,702.26

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Solution

The fourth proportional to 45,301.78, 67,925.84 and 13,702.26 is: 20,545.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,301.78 : 67,925.84 = 13,702.26 : x
  2. Step 2: Convert to fraction form
    45,301.78/67,925.84 = 13,702.26/x
  3. Step 3: Cross multiply
    45,301.78x = 67,925.84 × 13,702.26
  4. Step 4: Simplify right side
    45,301.78x = 930,737,520.40
  5. Step 5: Solve for x
    x = 930,737,520.40/45,301.78
  6. Step 6: Final answer
    x = 20,545.27

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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.