Home / 61,287.30-84,571.29-34,427.70

Finding the Fourth Proportional to 61,287.30, 84,571.29 and 34,427.70

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Solution

The fourth proportional to 61,287.30, 84,571.29 and 34,427.70 is: 47,507.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,287.30 : 84,571.29 = 34,427.70 : x
  2. Step 2: Convert to fraction form
    61,287.30/84,571.29 = 34,427.70/x
  3. Step 3: Cross multiply
    61,287.30x = 84,571.29 × 34,427.70
  4. Step 4: Simplify right side
    61,287.30x = 2,911,595,000.73
  5. Step 5: Solve for x
    x = 2,911,595,000.73/61,287.30
  6. Step 6: Final answer
    x = 47,507.31

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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.