Home / 31,901.19-47,871.15-11,925.23

Finding the Fourth Proportional to 31,901.19, 47,871.15 and 11,925.23

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Solution

The fourth proportional to 31,901.19, 47,871.15 and 11,925.23 is: 17,895.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,901.19 : 47,871.15 = 11,925.23 : x
  2. Step 2: Convert to fraction form
    31,901.19/47,871.15 = 11,925.23/x
  3. Step 3: Cross multiply
    31,901.19x = 47,871.15 × 11,925.23
  4. Step 4: Simplify right side
    31,901.19x = 570,874,257.12
  5. Step 5: Solve for x
    x = 570,874,257.12/31,901.19
  6. Step 6: Final answer
    x = 17,895.08

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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.