Home / 52,066.56-78,081.01-18,777.69

Finding the Fourth Proportional to 52,066.56, 78,081.01 and 18,777.69

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Solution

The fourth proportional to 52,066.56, 78,081.01 and 18,777.69 is: 28,159.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,066.56 : 78,081.01 = 18,777.69 : x
  2. Step 2: Convert to fraction form
    52,066.56/78,081.01 = 18,777.69/x
  3. Step 3: Cross multiply
    52,066.56x = 78,081.01 × 18,777.69
  4. Step 4: Simplify right side
    52,066.56x = 1,466,181,059.35
  5. Step 5: Solve for x
    x = 1,466,181,059.35/52,066.56
  6. Step 6: Final answer
    x = 28,159.74

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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.