Home / 31,407.66-47,118.38-10,346.85

Finding the Fourth Proportional to 31,407.66, 47,118.38 and 10,346.85

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Solution

The fourth proportional to 31,407.66, 47,118.38 and 10,346.85 is: 15,522.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,407.66 : 47,118.38 = 10,346.85 : x
  2. Step 2: Convert to fraction form
    31,407.66/47,118.38 = 10,346.85/x
  3. Step 3: Cross multiply
    31,407.66x = 47,118.38 × 10,346.85
  4. Step 4: Simplify right side
    31,407.66x = 487,526,758.37
  5. Step 5: Solve for x
    x = 487,526,758.37/31,407.66
  6. Step 6: Final answer
    x = 15,522.54

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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.