Home / 52,130.16-78,133.68-18,832.68

Finding the Fourth Proportional to 52,130.16, 78,133.68 and 18,832.68

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Solution

The fourth proportional to 52,130.16, 78,133.68 and 18,832.68 is: 28,226.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.16 : 78,133.68 = 18,832.68 : x
  2. Step 2: Convert to fraction form
    52,130.16/78,133.68 = 18,832.68/x
  3. Step 3: Cross multiply
    52,130.16x = 78,133.68 × 18,832.68
  4. Step 4: Simplify right side
    52,130.16x = 1,471,466,592.66
  5. Step 5: Solve for x
    x = 1,471,466,592.66/52,130.16
  6. Step 6: Final answer
    x = 28,226.78

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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.