Home / 60,846.31-91,278.12-18,729.90

Finding the Fourth Proportional to 60,846.31, 91,278.12 and 18,729.90

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Solution

The fourth proportional to 60,846.31, 91,278.12 and 18,729.90 is: 28,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,846.31 : 91,278.12 = 18,729.90 : x
  2. Step 2: Convert to fraction form
    60,846.31/91,278.12 = 18,729.90/x
  3. Step 3: Cross multiply
    60,846.31x = 91,278.12 × 18,729.90
  4. Step 4: Simplify right side
    60,846.31x = 1,709,630,368.20
  5. Step 5: Solve for x
    x = 1,709,630,368.20/60,846.31
  6. Step 6: Final answer
    x = 28,097.52

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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.