Home / 31,681.74-43,719.56-17,534.28

Finding the Fourth Proportional to 31,681.74, 43,719.56 and 17,534.28

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Solution

The fourth proportional to 31,681.74, 43,719.56 and 17,534.28 is: 24,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.74 : 43,719.56 = 17,534.28 : x
  2. Step 2: Convert to fraction form
    31,681.74/43,719.56 = 17,534.28/x
  3. Step 3: Cross multiply
    31,681.74x = 43,719.56 × 17,534.28
  4. Step 4: Simplify right side
    31,681.74x = 766,591,006.52
  5. Step 5: Solve for x
    x = 766,591,006.52/31,681.74
  6. Step 6: Final answer
    x = 24,196.62

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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.