Home / 56,049.32-77,348.60-30,899.72

Finding the Fourth Proportional to 56,049.32, 77,348.60 and 30,899.72

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Solution

The fourth proportional to 56,049.32, 77,348.60 and 30,899.72 is: 42,641.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.32 : 77,348.60 = 30,899.72 : x
  2. Step 2: Convert to fraction form
    56,049.32/77,348.60 = 30,899.72/x
  3. Step 3: Cross multiply
    56,049.32x = 77,348.60 × 30,899.72
  4. Step 4: Simplify right side
    56,049.32x = 2,390,050,082.39
  5. Step 5: Solve for x
    x = 2,390,050,082.39/56,049.32
  6. Step 6: Final answer
    x = 42,641.91

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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.