Home / 51,565.68-77,420.34-26,623.70

Finding the Fourth Proportional to 51,565.68, 77,420.34 and 26,623.70

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Solution

The fourth proportional to 51,565.68, 77,420.34 and 26,623.70 is: 39,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,565.68 : 77,420.34 = 26,623.70 : x
  2. Step 2: Convert to fraction form
    51,565.68/77,420.34 = 26,623.70/x
  3. Step 3: Cross multiply
    51,565.68x = 77,420.34 × 26,623.70
  4. Step 4: Simplify right side
    51,565.68x = 2,061,215,906.06
  5. Step 5: Solve for x
    x = 2,061,215,906.06/51,565.68
  6. Step 6: Final answer
    x = 39,972.63

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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.