Home / 51,956.64-77,990.08-42,213.52

Finding the Fourth Proportional to 51,956.64, 77,990.08 and 42,213.52

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Solution

The fourth proportional to 51,956.64, 77,990.08 and 42,213.52 is: 63,365.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,956.64 : 77,990.08 = 42,213.52 : x
  2. Step 2: Convert to fraction form
    51,956.64/77,990.08 = 42,213.52/x
  3. Step 3: Cross multiply
    51,956.64x = 77,990.08 × 42,213.52
  4. Step 4: Simplify right side
    51,956.64x = 3,292,235,801.88
  5. Step 5: Solve for x
    x = 3,292,235,801.88/51,956.64
  6. Step 6: Final answer
    x = 63,365.06

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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.