Home / 42,702.26-64,053.38-11,537.50

Finding the Fourth Proportional to 42,702.26, 64,053.38 and 11,537.50

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Solution

The fourth proportional to 42,702.26, 64,053.38 and 11,537.50 is: 17,306.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,702.26 : 64,053.38 = 11,537.50 : x
  2. Step 2: Convert to fraction form
    42,702.26/64,053.38 = 11,537.50/x
  3. Step 3: Cross multiply
    42,702.26x = 64,053.38 × 11,537.50
  4. Step 4: Simplify right side
    42,702.26x = 739,015,871.75
  5. Step 5: Solve for x
    x = 739,015,871.75/42,702.26
  6. Step 6: Final answer
    x = 17,306.25

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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.