Home / 39,379.95-54,343.12-22,386.05

Finding the Fourth Proportional to 39,379.95, 54,343.12 and 22,386.05

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Solution

The fourth proportional to 39,379.95, 54,343.12 and 22,386.05 is: 30,892.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.95 : 54,343.12 = 22,386.05 : x
  2. Step 2: Convert to fraction form
    39,379.95/54,343.12 = 22,386.05/x
  3. Step 3: Cross multiply
    39,379.95x = 54,343.12 × 22,386.05
  4. Step 4: Simplify right side
    39,379.95x = 1,216,527,801.48
  5. Step 5: Solve for x
    x = 1,216,527,801.48/39,379.95
  6. Step 6: Final answer
    x = 30,892.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.