Home / 39,412.56-54,389.46-22,645.56

Finding the Fourth Proportional to 39,412.56, 54,389.46 and 22,645.56

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Solution

The fourth proportional to 39,412.56, 54,389.46 and 22,645.56 is: 31,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,412.56 : 54,389.46 = 22,645.56 : x
  2. Step 2: Convert to fraction form
    39,412.56/54,389.46 = 22,645.56/x
  3. Step 3: Cross multiply
    39,412.56x = 54,389.46 × 22,645.56
  4. Step 4: Simplify right side
    39,412.56x = 1,231,679,779.80
  5. Step 5: Solve for x
    x = 1,231,679,779.80/39,412.56
  6. Step 6: Final answer
    x = 31,250.95

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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.