Home / 47,422.92-65,434.16-28,561.26

Finding the Fourth Proportional to 47,422.92, 65,434.16 and 28,561.26

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Solution

The fourth proportional to 47,422.92, 65,434.16 and 28,561.26 is: 39,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,422.92 : 65,434.16 = 28,561.26 : x
  2. Step 2: Convert to fraction form
    47,422.92/65,434.16 = 28,561.26/x
  3. Step 3: Cross multiply
    47,422.92x = 65,434.16 × 28,561.26
  4. Step 4: Simplify right side
    47,422.92x = 1,868,882,056.64
  5. Step 5: Solve for x
    x = 1,868,882,056.64/47,422.92
  6. Step 6: Final answer
    x = 39,408.84

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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.