Home / 42,699.84-64,045.44-11,531.52

Finding the Fourth Proportional to 42,699.84, 64,045.44 and 11,531.52

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Solution

The fourth proportional to 42,699.84, 64,045.44 and 11,531.52 is: 17,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.84 : 64,045.44 = 11,531.52 : x
  2. Step 2: Convert to fraction form
    42,699.84/64,045.44 = 11,531.52/x
  3. Step 3: Cross multiply
    42,699.84x = 64,045.44 × 11,531.52
  4. Step 4: Simplify right side
    42,699.84x = 738,541,272.27
  5. Step 5: Solve for x
    x = 738,541,272.27/42,699.84
  6. Step 6: Final answer
    x = 17,296.11

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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.