Home / 31,656.71-43,687.14-17,510.47

Finding the Fourth Proportional to 31,656.71, 43,687.14 and 17,510.47

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Solution

The fourth proportional to 31,656.71, 43,687.14 and 17,510.47 is: 24,164.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,656.71 : 43,687.14 = 17,510.47 : x
  2. Step 2: Convert to fraction form
    31,656.71/43,687.14 = 17,510.47/x
  3. Step 3: Cross multiply
    31,656.71x = 43,687.14 × 17,510.47
  4. Step 4: Simplify right side
    31,656.71x = 764,982,354.36
  5. Step 5: Solve for x
    x = 764,982,354.36/31,656.71
  6. Step 6: Final answer
    x = 24,164.94

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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.