Home / 47,822.30-66,042.54-39,407.82

Finding the Fourth Proportional to 47,822.30, 66,042.54 and 39,407.82

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Solution

The fourth proportional to 47,822.30, 66,042.54 and 39,407.82 is: 54,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,822.30 : 66,042.54 = 39,407.82 : x
  2. Step 2: Convert to fraction form
    47,822.30/66,042.54 = 39,407.82/x
  3. Step 3: Cross multiply
    47,822.30x = 66,042.54 × 39,407.82
  4. Step 4: Simplify right side
    47,822.30x = 2,602,592,281.00
  5. Step 5: Solve for x
    x = 2,602,592,281.00/47,822.30
  6. Step 6: Final answer
    x = 54,422.15

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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.