Home / 42,897.32-64,345.07-11,732.57

Finding the Fourth Proportional to 42,897.32, 64,345.07 and 11,732.57

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Solution

The fourth proportional to 42,897.32, 64,345.07 and 11,732.57 is: 17,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,897.32 : 64,345.07 = 11,732.57 : x
  2. Step 2: Convert to fraction form
    42,897.32/64,345.07 = 11,732.57/x
  3. Step 3: Cross multiply
    42,897.32x = 64,345.07 × 11,732.57
  4. Step 4: Simplify right side
    42,897.32x = 754,932,657.54
  5. Step 5: Solve for x
    x = 754,932,657.54/42,897.32
  6. Step 6: Final answer
    x = 17,598.60

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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.