Home / 31,158.19-42,998.02-17,011.02

Finding the Fourth Proportional to 31,158.19, 42,998.02 and 17,011.02

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Solution

The fourth proportional to 31,158.19, 42,998.02 and 17,011.02 is: 23,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.19 : 42,998.02 = 17,011.02 : x
  2. Step 2: Convert to fraction form
    31,158.19/42,998.02 = 17,011.02/x
  3. Step 3: Cross multiply
    31,158.19x = 42,998.02 × 17,011.02
  4. Step 4: Simplify right side
    31,158.19x = 731,440,178.18
  5. Step 5: Solve for x
    x = 731,440,178.18/31,158.19
  6. Step 6: Final answer
    x = 23,475.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.