Home / 47,640.48-65,744.24-26,419.70

Finding the Fourth Proportional to 47,640.48, 65,744.24 and 26,419.70

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Solution

The fourth proportional to 47,640.48, 65,744.24 and 26,419.70 is: 36,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,640.48 : 65,744.24 = 26,419.70 : x
  2. Step 2: Convert to fraction form
    47,640.48/65,744.24 = 26,419.70/x
  3. Step 3: Cross multiply
    47,640.48x = 65,744.24 × 26,419.70
  4. Step 4: Simplify right side
    47,640.48x = 1,736,943,097.53
  5. Step 5: Solve for x
    x = 1,736,943,097.53/47,640.48
  6. Step 6: Final answer
    x = 36,459.40

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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.