Home / 39,381.93-54,347.16-22,386.29

Finding the Fourth Proportional to 39,381.93, 54,347.16 and 22,386.29

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Solution

The fourth proportional to 39,381.93, 54,347.16 and 22,386.29 is: 30,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,381.93 : 54,347.16 = 22,386.29 : x
  2. Step 2: Convert to fraction form
    39,381.93/54,347.16 = 22,386.29/x
  3. Step 3: Cross multiply
    39,381.93x = 54,347.16 × 22,386.29
  4. Step 4: Simplify right side
    39,381.93x = 1,216,631,284.44
  5. Step 5: Solve for x
    x = 1,216,631,284.44/39,381.93
  6. Step 6: Final answer
    x = 30,893.14

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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.