Home / 39,417.92-54,397.88-21,514.07

Finding the Fourth Proportional to 39,417.92, 54,397.88 and 21,514.07

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Solution

The fourth proportional to 39,417.92, 54,397.88 and 21,514.07 is: 29,690.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,417.92 : 54,397.88 = 21,514.07 : x
  2. Step 2: Convert to fraction form
    39,417.92/54,397.88 = 21,514.07/x
  3. Step 3: Cross multiply
    39,417.92x = 54,397.88 × 21,514.07
  4. Step 4: Simplify right side
    39,417.92x = 1,170,319,798.17
  5. Step 5: Solve for x
    x = 1,170,319,798.17/39,417.92
  6. Step 6: Final answer
    x = 29,690.04

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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.