Home / 52,169.52-78,260.46-18,905.28

Finding the Fourth Proportional to 52,169.52, 78,260.46 and 18,905.28

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Solution

The fourth proportional to 52,169.52, 78,260.46 and 18,905.28 is: 28,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,169.52 : 78,260.46 = 18,905.28 : x
  2. Step 2: Convert to fraction form
    52,169.52/78,260.46 = 18,905.28/x
  3. Step 3: Cross multiply
    52,169.52x = 78,260.46 × 18,905.28
  4. Step 4: Simplify right side
    52,169.52x = 1,479,535,909.23
  5. Step 5: Solve for x
    x = 1,479,535,909.23/52,169.52
  6. Step 6: Final answer
    x = 28,360.16

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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.