Home / 47,117.30-70,689.11-19,057.05

Finding the Fourth Proportional to 47,117.30, 70,689.11 and 19,057.05

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Solution

The fourth proportional to 47,117.30, 70,689.11 and 19,057.05 is: 28,590.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,117.30 : 70,689.11 = 19,057.05 : x
  2. Step 2: Convert to fraction form
    47,117.30/70,689.11 = 19,057.05/x
  3. Step 3: Cross multiply
    47,117.30x = 70,689.11 × 19,057.05
  4. Step 4: Simplify right side
    47,117.30x = 1,347,125,808.44
  5. Step 5: Solve for x
    x = 1,347,125,808.44/47,117.30
  6. Step 6: Final answer
    x = 28,590.90

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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.