Home / 31,580.02-43,581.70-17,432.38

Finding the Fourth Proportional to 31,580.02, 43,581.70 and 17,432.38

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Solution

The fourth proportional to 31,580.02, 43,581.70 and 17,432.38 is: 24,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,580.02 : 43,581.70 = 17,432.38 : x
  2. Step 2: Convert to fraction form
    31,580.02/43,581.70 = 17,432.38/x
  3. Step 3: Cross multiply
    31,580.02x = 43,581.70 × 17,432.38
  4. Step 4: Simplify right side
    31,580.02x = 759,732,755.45
  5. Step 5: Solve for x
    x = 759,732,755.45/31,580.02
  6. Step 6: Final answer
    x = 24,057.39

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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.