Home / 31,655.57-43,681.75-17,508.11

Finding the Fourth Proportional to 31,655.57, 43,681.75 and 17,508.11

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Solution

The fourth proportional to 31,655.57, 43,681.75 and 17,508.11 is: 24,159.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.57 : 43,681.75 = 17,508.11 : x
  2. Step 2: Convert to fraction form
    31,655.57/43,681.75 = 17,508.11/x
  3. Step 3: Cross multiply
    31,655.57x = 43,681.75 × 17,508.11
  4. Step 4: Simplify right side
    31,655.57x = 764,784,621.81
  5. Step 5: Solve for x
    x = 764,784,621.81/31,655.57
  6. Step 6: Final answer
    x = 24,159.56

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1.5x scale

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.