Home / 39,349.26-54,300.40-21,443.88

Finding the Fourth Proportional to 39,349.26, 54,300.40 and 21,443.88

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Solution

The fourth proportional to 39,349.26, 54,300.40 and 21,443.88 is: 29,591.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,349.26 : 54,300.40 = 21,443.88 : x
  2. Step 2: Convert to fraction form
    39,349.26/54,300.40 = 21,443.88/x
  3. Step 3: Cross multiply
    39,349.26x = 54,300.40 × 21,443.88
  4. Step 4: Simplify right side
    39,349.26x = 1,164,411,261.55
  5. Step 5: Solve for x
    x = 1,164,411,261.55/39,349.26
  6. Step 6: Final answer
    x = 29,591.69

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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.