Home / 31,574.89-43,572.07-17,427.55

Finding the Fourth Proportional to 31,574.89, 43,572.07 and 17,427.55

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Solution

The fourth proportional to 31,574.89, 43,572.07 and 17,427.55 is: 24,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574.89 : 43,572.07 = 17,427.55 : x
  2. Step 2: Convert to fraction form
    31,574.89/43,572.07 = 17,427.55/x
  3. Step 3: Cross multiply
    31,574.89x = 43,572.07 × 17,427.55
  4. Step 4: Simplify right side
    31,574.89x = 759,354,428.53
  5. Step 5: Solve for x
    x = 759,354,428.53/31,574.89
  6. Step 6: Final answer
    x = 24,049.31

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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.