Home / 31,557.11-43,547.87-17,217.23

Finding the Fourth Proportional to 31,557.11, 43,547.87 and 17,217.23

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Solution

The fourth proportional to 31,557.11, 43,547.87 and 17,217.23 is: 23,759.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,557.11 : 43,547.87 = 17,217.23 : x
  2. Step 2: Convert to fraction form
    31,557.11/43,547.87 = 17,217.23/x
  3. Step 3: Cross multiply
    31,557.11x = 43,547.87 × 17,217.23
  4. Step 4: Simplify right side
    31,557.11x = 749,773,693.80
  5. Step 5: Solve for x
    x = 749,773,693.80/31,557.11
  6. Step 6: Final answer
    x = 23,759.26

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Double scale
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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.