Home / 39,344.08-54,295.44-21,439.08

Finding the Fourth Proportional to 39,344.08, 54,295.44 and 21,439.08

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Solution

The fourth proportional to 39,344.08, 54,295.44 and 21,439.08 is: 29,586.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,344.08 : 54,295.44 = 21,439.08 : x
  2. Step 2: Convert to fraction form
    39,344.08/54,295.44 = 21,439.08/x
  3. Step 3: Cross multiply
    39,344.08x = 54,295.44 × 21,439.08
  4. Step 4: Simplify right side
    39,344.08x = 1,164,044,281.80
  5. Step 5: Solve for x
    x = 1,164,044,281.80/39,344.08
  6. Step 6: Final answer
    x = 29,586.26

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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.