Home / 56,184.60-77,535.01-30,691.32

Finding the Fourth Proportional to 56,184.60, 77,535.01 and 30,691.32

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Solution

The fourth proportional to 56,184.60, 77,535.01 and 30,691.32 is: 42,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,184.60 : 77,535.01 = 30,691.32 : x
  2. Step 2: Convert to fraction form
    56,184.60/77,535.01 = 30,691.32/x
  3. Step 3: Cross multiply
    56,184.60x = 77,535.01 × 30,691.32
  4. Step 4: Simplify right side
    56,184.60x = 2,379,651,803.11
  5. Step 5: Solve for x
    x = 2,379,651,803.11/56,184.60
  6. Step 6: Final answer
    x = 42,354.16

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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.