Home / 31,875.05-47,812.50-15,184.46

Finding the Fourth Proportional to 31,875.05, 47,812.50 and 15,184.46

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Solution

The fourth proportional to 31,875.05, 47,812.50 and 15,184.46 is: 22,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,875.05 : 47,812.50 = 15,184.46 : x
  2. Step 2: Convert to fraction form
    31,875.05/47,812.50 = 15,184.46/x
  3. Step 3: Cross multiply
    31,875.05x = 47,812.50 × 15,184.46
  4. Step 4: Simplify right side
    31,875.05x = 726,006,754.69
  5. Step 5: Solve for x
    x = 726,006,754.69/31,875.05
  6. Step 6: Final answer
    x = 22,776.65

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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.