Home / 31,512.16-47,273.12-10,734.08

Finding the Fourth Proportional to 31,512.16, 47,273.12 and 10,734.08

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Solution

The fourth proportional to 31,512.16, 47,273.12 and 10,734.08 is: 16,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.16 : 47,273.12 = 10,734.08 : x
  2. Step 2: Convert to fraction form
    31,512.16/47,273.12 = 10,734.08/x
  3. Step 3: Cross multiply
    31,512.16x = 47,273.12 × 10,734.08
  4. Step 4: Simplify right side
    31,512.16x = 507,433,451.93
  5. Step 5: Solve for x
    x = 507,433,451.93/31,512.16
  6. Step 6: Final answer
    x = 16,102.78

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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.