Home / 47,422.41-65,433.47-28,560.75

Finding the Fourth Proportional to 47,422.41, 65,433.47 and 28,560.75

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Solution

The fourth proportional to 47,422.41, 65,433.47 and 28,560.75 is: 39,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,422.41 : 65,433.47 = 28,560.75 : x
  2. Step 2: Convert to fraction form
    47,422.41/65,433.47 = 28,560.75/x
  3. Step 3: Cross multiply
    47,422.41x = 65,433.47 × 28,560.75
  4. Step 4: Simplify right side
    47,422.41x = 1,868,828,835.50
  5. Step 5: Solve for x
    x = 1,868,828,835.50/47,422.41
  6. Step 6: Final answer
    x = 39,408.14

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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.