Home / 34,464.12-47,565.72-21,043.20

Finding the Fourth Proportional to 34,464.12, 47,565.72 and 21,043.20

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Solution

The fourth proportional to 34,464.12, 47,565.72 and 21,043.20 is: 29,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,464.12 : 47,565.72 = 21,043.20 : x
  2. Step 2: Convert to fraction form
    34,464.12/47,565.72 = 21,043.20/x
  3. Step 3: Cross multiply
    34,464.12x = 47,565.72 × 21,043.20
  4. Step 4: Simplify right side
    34,464.12x = 1,000,934,959.10
  5. Step 5: Solve for x
    x = 1,000,934,959.10/34,464.12
  6. Step 6: Final answer
    x = 29,042.81

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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.