Home / 47,212.48-65,132.40-29,271.52

Finding the Fourth Proportional to 47,212.48, 65,132.40 and 29,271.52

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Solution

The fourth proportional to 47,212.48, 65,132.40 and 29,271.52 is: 40,381.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.48 : 65,132.40 = 29,271.52 : x
  2. Step 2: Convert to fraction form
    47,212.48/65,132.40 = 29,271.52/x
  3. Step 3: Cross multiply
    47,212.48x = 65,132.40 × 29,271.52
  4. Step 4: Simplify right side
    47,212.48x = 1,906,524,349.25
  5. Step 5: Solve for x
    x = 1,906,524,349.25/47,212.48
  6. Step 6: Final answer
    x = 40,381.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.