Home / 38,881.22-58,323.63-12,588.02

Finding the Fourth Proportional to 38,881.22, 58,323.63 and 12,588.02

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Solution

The fourth proportional to 38,881.22, 58,323.63 and 12,588.02 is: 18,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.22 : 58,323.63 = 12,588.02 : x
  2. Step 2: Convert to fraction form
    38,881.22/58,323.63 = 12,588.02/x
  3. Step 3: Cross multiply
    38,881.22x = 58,323.63 × 12,588.02
  4. Step 4: Simplify right side
    38,881.22x = 734,179,020.91
  5. Step 5: Solve for x
    x = 734,179,020.91/38,881.22
  6. Step 6: Final answer
    x = 18,882.61

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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.