Home / 39,177.01-54,062.76-21,271.61

Finding the Fourth Proportional to 39,177.01, 54,062.76 and 21,271.61

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Solution

The fourth proportional to 39,177.01, 54,062.76 and 21,271.61 is: 29,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,177.01 : 54,062.76 = 21,271.61 : x
  2. Step 2: Convert to fraction form
    39,177.01/54,062.76 = 21,271.61/x
  3. Step 3: Cross multiply
    39,177.01x = 54,062.76 × 21,271.61
  4. Step 4: Simplify right side
    39,177.01x = 1,150,001,596.16
  5. Step 5: Solve for x
    x = 1,150,001,596.16/39,177.01
  6. Step 6: Final answer
    x = 29,353.99

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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.