Home / 31,445.43-47,168.19-9,259.07

Finding the Fourth Proportional to 31,445.43, 47,168.19 and 9,259.07

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Solution

The fourth proportional to 31,445.43, 47,168.19 and 9,259.07 is: 13,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,445.43 : 47,168.19 = 9,259.07 : x
  2. Step 2: Convert to fraction form
    31,445.43/47,168.19 = 9,259.07/x
  3. Step 3: Cross multiply
    31,445.43x = 47,168.19 × 9,259.07
  4. Step 4: Simplify right side
    31,445.43x = 436,733,337.14
  5. Step 5: Solve for x
    x = 436,733,337.14/31,445.43
  6. Step 6: Final answer
    x = 13,888.61

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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.