Home / 65,111.52-97,634.97-20,732.49

Finding the Fourth Proportional to 65,111.52, 97,634.97 and 20,732.49

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Solution

The fourth proportional to 65,111.52, 97,634.97 and 20,732.49 is: 31,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,111.52 : 97,634.97 = 20,732.49 : x
  2. Step 2: Convert to fraction form
    65,111.52/97,634.97 = 20,732.49/x
  3. Step 3: Cross multiply
    65,111.52x = 97,634.97 × 20,732.49
  4. Step 4: Simplify right side
    65,111.52x = 2,024,216,039.18
  5. Step 5: Solve for x
    x = 2,024,216,039.18/65,111.52
  6. Step 6: Final answer
    x = 31,088.45

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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.