Home / 31,506.28-43,478.64-17,359.13

Finding the Fourth Proportional to 31,506.28, 43,478.64 and 17,359.13

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Solution

The fourth proportional to 31,506.28, 43,478.64 and 17,359.13 is: 23,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,506.28 : 43,478.64 = 17,359.13 : x
  2. Step 2: Convert to fraction form
    31,506.28/43,478.64 = 17,359.13/x
  3. Step 3: Cross multiply
    31,506.28x = 43,478.64 × 17,359.13
  4. Step 4: Simplify right side
    31,506.28x = 754,751,363.98
  5. Step 5: Solve for x
    x = 754,751,363.98/31,506.28
  6. Step 6: Final answer
    x = 23,955.58

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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.