Home / 31,403.00-47,095.13-10,339.16

Finding the Fourth Proportional to 31,403.00, 47,095.13 and 10,339.16

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Solution

The fourth proportional to 31,403.00, 47,095.13 and 10,339.16 is: 15,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.00 : 47,095.13 = 10,339.16 : x
  2. Step 2: Convert to fraction form
    31,403.00/47,095.13 = 10,339.16/x
  3. Step 3: Cross multiply
    31,403.00x = 47,095.13 × 10,339.16
  4. Step 4: Simplify right side
    31,403.00x = 486,923,797.12
  5. Step 5: Solve for x
    x = 486,923,797.12/31,403.00
  6. Step 6: Final answer
    x = 15,505.65

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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.