Home / 39,451.72-59,178.12-11,372.26

Finding the Fourth Proportional to 39,451.72, 59,178.12 and 11,372.26

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Solution

The fourth proportional to 39,451.72, 59,178.12 and 11,372.26 is: 17,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.72 : 59,178.12 = 11,372.26 : x
  2. Step 2: Convert to fraction form
    39,451.72/59,178.12 = 11,372.26/x
  3. Step 3: Cross multiply
    39,451.72x = 59,178.12 × 11,372.26
  4. Step 4: Simplify right side
    39,451.72x = 672,988,966.95
  5. Step 5: Solve for x
    x = 672,988,966.95/39,451.72
  6. Step 6: Final answer
    x = 17,058.55

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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.