Home / 40,719.17-61,040.45-21,971.12

Finding the Fourth Proportional to 40,719.17, 61,040.45 and 21,971.12

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Solution

The fourth proportional to 40,719.17, 61,040.45 and 21,971.12 is: 32,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.17 : 61,040.45 = 21,971.12 : x
  2. Step 2: Convert to fraction form
    40,719.17/61,040.45 = 21,971.12/x
  3. Step 3: Cross multiply
    40,719.17x = 61,040.45 × 21,971.12
  4. Step 4: Simplify right side
    40,719.17x = 1,341,126,801.53
  5. Step 5: Solve for x
    x = 1,341,126,801.53/40,719.17
  6. Step 6: Final answer
    x = 32,936.00

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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.