Home / 47,429.95-65,445.42-28,317.46

Finding the Fourth Proportional to 47,429.95, 65,445.42 and 28,317.46

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Solution

The fourth proportional to 47,429.95, 65,445.42 and 28,317.46 is: 39,073.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.95 : 65,445.42 = 28,317.46 : x
  2. Step 2: Convert to fraction form
    47,429.95/65,445.42 = 28,317.46/x
  3. Step 3: Cross multiply
    47,429.95x = 65,445.42 × 28,317.46
  4. Step 4: Simplify right side
    47,429.95x = 1,853,247,921.45
  5. Step 5: Solve for x
    x = 1,853,247,921.45/47,429.95
  6. Step 6: Final answer
    x = 39,073.37

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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.