Home / 52,149.44-78,182.88-18,864.32

Finding the Fourth Proportional to 52,149.44, 78,182.88 and 18,864.32

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Solution

The fourth proportional to 52,149.44, 78,182.88 and 18,864.32 is: 28,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,149.44 : 78,182.88 = 18,864.32 : x
  2. Step 2: Convert to fraction form
    52,149.44/78,182.88 = 18,864.32/x
  3. Step 3: Cross multiply
    52,149.44x = 78,182.88 × 18,864.32
  4. Step 4: Simplify right side
    52,149.44x = 1,474,866,866.84
  5. Step 5: Solve for x
    x = 1,474,866,866.84/52,149.44
  6. Step 6: Final answer
    x = 28,281.55

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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.