Home / 79,356.18-119,038.16-31,964.87

Finding the Fourth Proportional to 79,356.18, 119,038.16 and 31,964.87

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Solution

The fourth proportional to 79,356.18, 119,038.16 and 31,964.87 is: 47,948.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,356.18 : 119,038.16 = 31,964.87 : x
  2. Step 2: Convert to fraction form
    79,356.18/119,038.16 = 31,964.87/x
  3. Step 3: Cross multiply
    79,356.18x = 119,038.16 × 31,964.87
  4. Step 4: Simplify right side
    79,356.18x = 3,805,039,309.44
  5. Step 5: Solve for x
    x = 3,805,039,309.44/79,356.18
  6. Step 6: Final answer
    x = 47,948.87

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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.