Home / 31,572.12-47,333.03-18,229.98

Finding the Fourth Proportional to 31,572.12, 47,333.03 and 18,229.98

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Solution

The fourth proportional to 31,572.12, 47,333.03 and 18,229.98 is: 27,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,572.12 : 47,333.03 = 18,229.98 : x
  2. Step 2: Convert to fraction form
    31,572.12/47,333.03 = 18,229.98/x
  3. Step 3: Cross multiply
    31,572.12x = 47,333.03 × 18,229.98
  4. Step 4: Simplify right side
    31,572.12x = 862,880,263.00
  5. Step 5: Solve for x
    x = 862,880,263.00/31,572.12
  6. Step 6: Final answer
    x = 27,330.45

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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.