Home / 29,117.80-43,655.10-12,464.20

Finding the Fourth Proportional to 29,117.80, 43,655.10 and 12,464.20

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Solution

The fourth proportional to 29,117.80, 43,655.10 and 12,464.20 is: 18,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,117.80 : 43,655.10 = 12,464.20 : x
  2. Step 2: Convert to fraction form
    29,117.80/43,655.10 = 12,464.20/x
  3. Step 3: Cross multiply
    29,117.80x = 43,655.10 × 12,464.20
  4. Step 4: Simplify right side
    29,117.80x = 544,125,897.42
  5. Step 5: Solve for x
    x = 544,125,897.42/29,117.80
  6. Step 6: Final answer
    x = 18,687.05

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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.