Home / 31,374.55-47,062.40-11,398.23

Finding the Fourth Proportional to 31,374.55, 47,062.40 and 11,398.23

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Solution

The fourth proportional to 31,374.55, 47,062.40 and 11,398.23 is: 17,097.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,374.55 : 47,062.40 = 11,398.23 : x
  2. Step 2: Convert to fraction form
    31,374.55/47,062.40 = 11,398.23/x
  3. Step 3: Cross multiply
    31,374.55x = 47,062.40 × 11,398.23
  4. Step 4: Simplify right side
    31,374.55x = 536,428,045.30
  5. Step 5: Solve for x
    x = 536,428,045.30/31,374.55
  6. Step 6: Final answer
    x = 17,097.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.