Home / 51,705.52-77,565.56-18,415.73

Finding the Fourth Proportional to 51,705.52, 77,565.56 and 18,415.73

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Solution

The fourth proportional to 51,705.52, 77,565.56 and 18,415.73 is: 27,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,705.52 : 77,565.56 = 18,415.73 : x
  2. Step 2: Convert to fraction form
    51,705.52/77,565.56 = 18,415.73/x
  3. Step 3: Cross multiply
    51,705.52x = 77,565.56 × 18,415.73
  4. Step 4: Simplify right side
    51,705.52x = 1,428,426,410.26
  5. Step 5: Solve for x
    x = 1,428,426,410.26/51,705.52
  6. Step 6: Final answer
    x = 27,626.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.