Home / 48,445.12-66,856.80-29,581.12

Finding the Fourth Proportional to 48,445.12, 66,856.80 and 29,581.12

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Solution

The fourth proportional to 48,445.12, 66,856.80 and 29,581.12 is: 40,823.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,445.12 : 66,856.80 = 29,581.12 : x
  2. Step 2: Convert to fraction form
    48,445.12/66,856.80 = 29,581.12/x
  3. Step 3: Cross multiply
    48,445.12x = 66,856.80 × 29,581.12
  4. Step 4: Simplify right side
    48,445.12x = 1,977,699,023.62
  5. Step 5: Solve for x
    x = 1,977,699,023.62/48,445.12
  6. Step 6: Final answer
    x = 40,823.49

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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.