Home / 39,498.86-54,506.22-21,590.30

Finding the Fourth Proportional to 39,498.86, 54,506.22 and 21,590.30

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Solution

The fourth proportional to 39,498.86, 54,506.22 and 21,590.30 is: 29,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,498.86 : 54,506.22 = 21,590.30 : x
  2. Step 2: Convert to fraction form
    39,498.86/54,506.22 = 21,590.30/x
  3. Step 3: Cross multiply
    39,498.86x = 54,506.22 × 21,590.30
  4. Step 4: Simplify right side
    39,498.86x = 1,176,805,641.67
  5. Step 5: Solve for x
    x = 1,176,805,641.67/39,498.86
  6. Step 6: Final answer
    x = 29,793.41

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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.