Home / 38,589.48-57,890.70-12,302.28

Finding the Fourth Proportional to 38,589.48, 57,890.70 and 12,302.28

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Solution

The fourth proportional to 38,589.48, 57,890.70 and 12,302.28 is: 18,455.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,589.48 : 57,890.70 = 12,302.28 : x
  2. Step 2: Convert to fraction form
    38,589.48/57,890.70 = 12,302.28/x
  3. Step 3: Cross multiply
    38,589.48x = 57,890.70 × 12,302.28
  4. Step 4: Simplify right side
    38,589.48x = 712,187,600.80
  5. Step 5: Solve for x
    x = 712,187,600.80/38,589.48
  6. Step 6: Final answer
    x = 18,455.49

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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.