Home / 52,357.32-78,551.46-30,186.60

Finding the Fourth Proportional to 52,357.32, 78,551.46 and 30,186.60

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Solution

The fourth proportional to 52,357.32, 78,551.46 and 30,186.60 is: 45,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.32 : 78,551.46 = 30,186.60 : x
  2. Step 2: Convert to fraction form
    52,357.32/78,551.46 = 30,186.60/x
  3. Step 3: Cross multiply
    52,357.32x = 78,551.46 × 30,186.60
  4. Step 4: Simplify right side
    52,357.32x = 2,371,201,502.44
  5. Step 5: Solve for x
    x = 2,371,201,502.44/52,357.32
  6. Step 6: Final answer
    x = 45,288.82

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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.