Home / 51,713.18-77,577.06-18,426.12

Finding the Fourth Proportional to 51,713.18, 77,577.06 and 18,426.12

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Solution

The fourth proportional to 51,713.18, 77,577.06 and 18,426.12 is: 27,641.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,713.18 : 77,577.06 = 18,426.12 : x
  2. Step 2: Convert to fraction form
    51,713.18/77,577.06 = 18,426.12/x
  3. Step 3: Cross multiply
    51,713.18x = 77,577.06 × 18,426.12
  4. Step 4: Simplify right side
    51,713.18x = 1,429,444,216.81
  5. Step 5: Solve for x
    x = 1,429,444,216.81/51,713.18
  6. Step 6: Final answer
    x = 27,641.78

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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.