Home / 47,387.76-65,346.12-40,695.54

Finding the Fourth Proportional to 47,387.76, 65,346.12 and 40,695.54

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Solution

The fourth proportional to 47,387.76, 65,346.12 and 40,695.54 is: 56,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,387.76 : 65,346.12 = 40,695.54 : x
  2. Step 2: Convert to fraction form
    47,387.76/65,346.12 = 40,695.54/x
  3. Step 3: Cross multiply
    47,387.76x = 65,346.12 × 40,695.54
  4. Step 4: Simplify right side
    47,387.76x = 2,659,295,640.30
  5. Step 5: Solve for x
    x = 2,659,295,640.30/47,387.76
  6. Step 6: Final answer
    x = 56,117.77

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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.