Home / 31,737.80-47,607.10-12,011.06

Finding the Fourth Proportional to 31,737.80, 47,607.10 and 12,011.06

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Solution

The fourth proportional to 31,737.80, 47,607.10 and 12,011.06 is: 18,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,737.80 : 47,607.10 = 12,011.06 : x
  2. Step 2: Convert to fraction form
    31,737.80/47,607.10 = 12,011.06/x
  3. Step 3: Cross multiply
    31,737.80x = 47,607.10 × 12,011.06
  4. Step 4: Simplify right side
    31,737.80x = 571,811,734.53
  5. Step 5: Solve for x
    x = 571,811,734.53/31,737.80
  6. Step 6: Final answer
    x = 18,016.74

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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.