Home / 31,925.80-47,885.82-11,148.04

Finding the Fourth Proportional to 31,925.80, 47,885.82 and 11,148.04

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Solution

The fourth proportional to 31,925.80, 47,885.82 and 11,148.04 is: 16,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,925.80 : 47,885.82 = 11,148.04 : x
  2. Step 2: Convert to fraction form
    31,925.80/47,885.82 = 11,148.04/x
  3. Step 3: Cross multiply
    31,925.80x = 47,885.82 × 11,148.04
  4. Step 4: Simplify right side
    31,925.80x = 533,833,036.79
  5. Step 5: Solve for x
    x = 533,833,036.79/31,925.80
  6. Step 6: Final answer
    x = 16,721.05

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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.