Home / 47,631.54-65,734.83-26,412.78

Finding the Fourth Proportional to 47,631.54, 65,734.83 and 26,412.78

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Solution

The fourth proportional to 47,631.54, 65,734.83 and 26,412.78 is: 36,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,631.54 : 65,734.83 = 26,412.78 : x
  2. Step 2: Convert to fraction form
    47,631.54/65,734.83 = 26,412.78/x
  3. Step 3: Cross multiply
    47,631.54x = 65,734.83 × 26,412.78
  4. Step 4: Simplify right side
    47,631.54x = 1,736,239,603.13
  5. Step 5: Solve for x
    x = 1,736,239,603.13/47,631.54
  6. Step 6: Final answer
    x = 36,451.47

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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.