Home / 31,066.10-42,871.72-17,637.74

Finding the Fourth Proportional to 31,066.10, 42,871.72 and 17,637.74

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Solution

The fourth proportional to 31,066.10, 42,871.72 and 17,637.74 is: 24,340.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,066.10 : 42,871.72 = 17,637.74 : x
  2. Step 2: Convert to fraction form
    31,066.10/42,871.72 = 17,637.74/x
  3. Step 3: Cross multiply
    31,066.10x = 42,871.72 × 17,637.74
  4. Step 4: Simplify right side
    31,066.10x = 756,160,250.71
  5. Step 5: Solve for x
    x = 756,160,250.71/31,066.10
  6. Step 6: Final answer
    x = 24,340.37

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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.