Home / 31,397.61-43,329.50-17,057.44

Finding the Fourth Proportional to 31,397.61, 43,329.50 and 17,057.44

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Solution

The fourth proportional to 31,397.61, 43,329.50 and 17,057.44 is: 23,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,397.61 : 43,329.50 = 17,057.44 : x
  2. Step 2: Convert to fraction form
    31,397.61/43,329.50 = 17,057.44/x
  3. Step 3: Cross multiply
    31,397.61x = 43,329.50 × 17,057.44
  4. Step 4: Simplify right side
    31,397.61x = 739,090,346.48
  5. Step 5: Solve for x
    x = 739,090,346.48/31,397.61
  6. Step 6: Final answer
    x = 23,539.70

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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.