Home / 52,280.16-78,395.52-18,976.92

Finding the Fourth Proportional to 52,280.16, 78,395.52 and 18,976.92

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Solution

The fourth proportional to 52,280.16, 78,395.52 and 18,976.92 is: 28,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,280.16 : 78,395.52 = 18,976.92 : x
  2. Step 2: Convert to fraction form
    52,280.16/78,395.52 = 18,976.92/x
  3. Step 3: Cross multiply
    52,280.16x = 78,395.52 × 18,976.92
  4. Step 4: Simplify right side
    52,280.16x = 1,487,705,511.40
  5. Step 5: Solve for x
    x = 1,487,705,511.40/52,280.16
  6. Step 6: Final answer
    x = 28,456.41

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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.