Home / 47,173.08-65,125.73-31,279.02

Finding the Fourth Proportional to 47,173.08, 65,125.73 and 31,279.02

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Solution

The fourth proportional to 47,173.08, 65,125.73 and 31,279.02 is: 43,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,173.08 : 65,125.73 = 31,279.02 : x
  2. Step 2: Convert to fraction form
    47,173.08/65,125.73 = 31,279.02/x
  3. Step 3: Cross multiply
    47,173.08x = 65,125.73 × 31,279.02
  4. Step 4: Simplify right side
    47,173.08x = 2,037,068,854.79
  5. Step 5: Solve for x
    x = 2,037,068,854.79/47,173.08
  6. Step 6: Final answer
    x = 43,182.87

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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.