Home / 39,701.08-54,788.26-22,708.09

Finding the Fourth Proportional to 39,701.08, 54,788.26 and 22,708.09

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Solution

The fourth proportional to 39,701.08, 54,788.26 and 22,708.09 is: 31,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.08 : 54,788.26 = 22,708.09 : x
  2. Step 2: Convert to fraction form
    39,701.08/54,788.26 = 22,708.09/x
  3. Step 3: Cross multiply
    39,701.08x = 54,788.26 × 22,708.09
  4. Step 4: Simplify right side
    39,701.08x = 1,244,136,545.28
  5. Step 5: Solve for x
    x = 1,244,136,545.28/39,701.08
  6. Step 6: Final answer
    x = 31,337.60

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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.