Home / 56,050.38-77,349.60-30,899.88

Finding the Fourth Proportional to 56,050.38, 77,349.60 and 30,899.88

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Solution

The fourth proportional to 56,050.38, 77,349.60 and 30,899.88 is: 42,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,050.38 : 77,349.60 = 30,899.88 : x
  2. Step 2: Convert to fraction form
    56,050.38/77,349.60 = 30,899.88/x
  3. Step 3: Cross multiply
    56,050.38x = 77,349.60 × 30,899.88
  4. Step 4: Simplify right side
    56,050.38x = 2,390,093,358.05
  5. Step 5: Solve for x
    x = 2,390,093,358.05/56,050.38
  6. Step 6: Final answer
    x = 42,641.88

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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.