Home / 39,250.06-54,164.82-21,345.02

Finding the Fourth Proportional to 39,250.06, 54,164.82 and 21,345.02

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Solution

The fourth proportional to 39,250.06, 54,164.82 and 21,345.02 is: 29,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,250.06 : 54,164.82 = 21,345.02 : x
  2. Step 2: Convert to fraction form
    39,250.06/54,164.82 = 21,345.02/x
  3. Step 3: Cross multiply
    39,250.06x = 54,164.82 × 21,345.02
  4. Step 4: Simplify right side
    39,250.06x = 1,156,149,166.20
  5. Step 5: Solve for x
    x = 1,156,149,166.20/39,250.06
  6. Step 6: Final answer
    x = 29,455.98

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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.