Home / 45,036.92-67,518.91-18,761.33

Finding the Fourth Proportional to 45,036.92, 67,518.91 and 18,761.33

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Solution

The fourth proportional to 45,036.92, 67,518.91 and 18,761.33 is: 28,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.92 : 67,518.91 = 18,761.33 : x
  2. Step 2: Convert to fraction form
    45,036.92/67,518.91 = 18,761.33/x
  3. Step 3: Cross multiply
    45,036.92x = 67,518.91 × 18,761.33
  4. Step 4: Simplify right side
    45,036.92x = 1,266,744,551.75
  5. Step 5: Solve for x
    x = 1,266,744,551.75/45,036.92
  6. Step 6: Final answer
    x = 28,126.80

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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.