Home / 31,393.53-47,085.12-10,333.85

Finding the Fourth Proportional to 31,393.53, 47,085.12 and 10,333.85

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Solution

The fourth proportional to 31,393.53, 47,085.12 and 10,333.85 is: 15,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,393.53 : 47,085.12 = 10,333.85 : x
  2. Step 2: Convert to fraction form
    31,393.53/47,085.12 = 10,333.85/x
  3. Step 3: Cross multiply
    31,393.53x = 47,085.12 × 10,333.85
  4. Step 4: Simplify right side
    31,393.53x = 486,570,331.89
  5. Step 5: Solve for x
    x = 486,570,331.89/31,393.53
  6. Step 6: Final answer
    x = 15,499.06

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1.5x scale

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.