Home / 39,437.98-54,429.19-22,446.36

Finding the Fourth Proportional to 39,437.98, 54,429.19 and 22,446.36

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Solution

The fourth proportional to 39,437.98, 54,429.19 and 22,446.36 is: 30,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,437.98 : 54,429.19 = 22,446.36 : x
  2. Step 2: Convert to fraction form
    39,437.98/54,429.19 = 22,446.36/x
  3. Step 3: Cross multiply
    39,437.98x = 54,429.19 × 22,446.36
  4. Step 4: Simplify right side
    39,437.98x = 1,221,737,193.25
  5. Step 5: Solve for x
    x = 1,221,737,193.25/39,437.98
  6. Step 6: Final answer
    x = 30,978.70

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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.