Home / 51,763.20-77,663.01-25,486.39

Finding the Fourth Proportional to 51,763.20, 77,663.01 and 25,486.39

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Solution

The fourth proportional to 51,763.20, 77,663.01 and 25,486.39 is: 38,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,763.20 : 77,663.01 = 25,486.39 : x
  2. Step 2: Convert to fraction form
    51,763.20/77,663.01 = 25,486.39/x
  3. Step 3: Cross multiply
    51,763.20x = 77,663.01 × 25,486.39
  4. Step 4: Simplify right side
    51,763.20x = 1,979,349,761.43
  5. Step 5: Solve for x
    x = 1,979,349,761.43/51,763.20
  6. Step 6: Final answer
    x = 38,238.55

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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.