Home / 52,320.57-78,394.59-30,152.58

Finding the Fourth Proportional to 52,320.57, 78,394.59 and 30,152.58

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Solution

The fourth proportional to 52,320.57, 78,394.59 and 30,152.58 is: 45,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,320.57 : 78,394.59 = 30,152.58 : x
  2. Step 2: Convert to fraction form
    52,320.57/78,394.59 = 30,152.58/x
  3. Step 3: Cross multiply
    52,320.57x = 78,394.59 × 30,152.58
  4. Step 4: Simplify right side
    52,320.57x = 2,363,799,146.54
  5. Step 5: Solve for x
    x = 2,363,799,146.54/52,320.57
  6. Step 6: Final answer
    x = 45,179.16

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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.