Home / 39,252.53-54,167.93-21,347.69

Finding the Fourth Proportional to 39,252.53, 54,167.93 and 21,347.69

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Solution

The fourth proportional to 39,252.53, 54,167.93 and 21,347.69 is: 29,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,252.53 : 54,167.93 = 21,347.69 : x
  2. Step 2: Convert to fraction form
    39,252.53/54,167.93 = 21,347.69/x
  3. Step 3: Cross multiply
    39,252.53x = 54,167.93 × 21,347.69
  4. Step 4: Simplify right side
    39,252.53x = 1,156,360,177.58
  5. Step 5: Solve for x
    x = 1,156,360,177.58/39,252.53
  6. Step 6: Final answer
    x = 29,459.51

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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.