Home / 31,393.55-47,085.10-10,333.82

Finding the Fourth Proportional to 31,393.55, 47,085.10 and 10,333.82

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Solution

The fourth proportional to 31,393.55, 47,085.10 and 10,333.82 is: 15,499.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.55 : 47,085.10 = 10,333.82 : x
  2. Step 2: Convert to fraction form
    31,393.55/47,085.10 = 10,333.82/x
  3. Step 3: Cross multiply
    31,393.55x = 47,085.10 × 10,333.82
  4. Step 4: Simplify right side
    31,393.55x = 486,569,039.96
  5. Step 5: Solve for x
    x = 486,569,039.96/31,393.55
  6. Step 6: Final answer
    x = 15,499.01

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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.