Home / 47,854.64-71,776.50-12,797.04

Finding the Fourth Proportional to 47,854.64, 71,776.50 and 12,797.04

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Solution

The fourth proportional to 47,854.64, 71,776.50 and 12,797.04 is: 19,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,854.64 : 71,776.50 = 12,797.04 : x
  2. Step 2: Convert to fraction form
    47,854.64/71,776.50 = 12,797.04/x
  3. Step 3: Cross multiply
    47,854.64x = 71,776.50 × 12,797.04
  4. Step 4: Simplify right side
    47,854.64x = 918,526,741.56
  5. Step 5: Solve for x
    x = 918,526,741.56/47,854.64
  6. Step 6: Final answer
    x = 19,194.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.