Home / 39,379.67-54,341.79-22,381.52

Finding the Fourth Proportional to 39,379.67, 54,341.79 and 22,381.52

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Solution

The fourth proportional to 39,379.67, 54,341.79 and 22,381.52 is: 30,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.67 : 54,341.79 = 22,381.52 : x
  2. Step 2: Convert to fraction form
    39,379.67/54,341.79 = 22,381.52/x
  3. Step 3: Cross multiply
    39,379.67x = 54,341.79 × 22,381.52
  4. Step 4: Simplify right side
    39,379.67x = 1,216,251,504.08
  5. Step 5: Solve for x
    x = 1,216,251,504.08/39,379.67
  6. Step 6: Final answer
    x = 30,885.26

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1.5x scale

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.