Home / 52,319.32-78,392.72-30,151.33

Finding the Fourth Proportional to 52,319.32, 78,392.72 and 30,151.33

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Solution

The fourth proportional to 52,319.32, 78,392.72 and 30,151.33 is: 45,177.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,319.32 : 78,392.72 = 30,151.33 : x
  2. Step 2: Convert to fraction form
    52,319.32/78,392.72 = 30,151.33/x
  3. Step 3: Cross multiply
    52,319.32x = 78,392.72 × 30,151.33
  4. Step 4: Simplify right side
    52,319.32x = 2,363,644,619.56
  5. Step 5: Solve for x
    x = 2,363,644,619.56/52,319.32
  6. Step 6: Final answer
    x = 45,177.28

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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.