Home / 56,049.48-77,349.14-30,555.86

Finding the Fourth Proportional to 56,049.48, 77,349.14 and 30,555.86

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Solution

The fourth proportional to 56,049.48, 77,349.14 and 30,555.86 is: 42,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,049.48 : 77,349.14 = 30,555.86 : x
  2. Step 2: Convert to fraction form
    56,049.48/77,349.14 = 30,555.86/x
  3. Step 3: Cross multiply
    56,049.48x = 77,349.14 × 30,555.86
  4. Step 4: Simplify right side
    56,049.48x = 2,363,469,492.96
  5. Step 5: Solve for x
    x = 2,363,469,492.96/56,049.48
  6. Step 6: Final answer
    x = 42,167.55

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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.