Home / 52,380.16-78,572.04-20,796.16

Finding the Fourth Proportional to 52,380.16, 78,572.04 and 20,796.16

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Solution

The fourth proportional to 52,380.16, 78,572.04 and 20,796.16 is: 31,194.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.16 : 78,572.04 = 20,796.16 : x
  2. Step 2: Convert to fraction form
    52,380.16/78,572.04 = 20,796.16/x
  3. Step 3: Cross multiply
    52,380.16x = 78,572.04 × 20,796.16
  4. Step 4: Simplify right side
    52,380.16x = 1,633,996,715.37
  5. Step 5: Solve for x
    x = 1,633,996,715.37/52,380.16
  6. Step 6: Final answer
    x = 31,194.95

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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.