Home / 47,640.80-65,739.66-26,419.62

Finding the Fourth Proportional to 47,640.80, 65,739.66 and 26,419.62

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Solution

The fourth proportional to 47,640.80, 65,739.66 and 26,419.62 is: 36,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,640.80 : 65,739.66 = 26,419.62 : x
  2. Step 2: Convert to fraction form
    47,640.80/65,739.66 = 26,419.62/x
  3. Step 3: Cross multiply
    47,640.80x = 65,739.66 × 26,419.62
  4. Step 4: Simplify right side
    47,640.80x = 1,736,816,836.13
  5. Step 5: Solve for x
    x = 1,736,816,836.13/47,640.80
  6. Step 6: Final answer
    x = 36,456.50

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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.