Home / 39,139.08-58,608.45-21,589.44

Finding the Fourth Proportional to 39,139.08, 58,608.45 and 21,589.44

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Solution

The fourth proportional to 39,139.08, 58,608.45 and 21,589.44 is: 32,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,139.08 : 58,608.45 = 21,589.44 : x
  2. Step 2: Convert to fraction form
    39,139.08/58,608.45 = 21,589.44/x
  3. Step 3: Cross multiply
    39,139.08x = 58,608.45 × 21,589.44
  4. Step 4: Simplify right side
    39,139.08x = 1,265,323,614.77
  5. Step 5: Solve for x
    x = 1,265,323,614.77/39,139.08
  6. Step 6: Final answer
    x = 32,328.91

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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.