Home / 39,415.12-54,300.45-27,456.82

Finding the Fourth Proportional to 39,415.12, 54,300.45 and 27,456.82

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Solution

The fourth proportional to 39,415.12, 54,300.45 and 27,456.82 is: 37,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.12 : 54,300.45 = 27,456.82 : x
  2. Step 2: Convert to fraction form
    39,415.12/54,300.45 = 27,456.82/x
  3. Step 3: Cross multiply
    39,415.12x = 54,300.45 × 27,456.82
  4. Step 4: Simplify right side
    39,415.12x = 1,490,917,681.57
  5. Step 5: Solve for x
    x = 1,490,917,681.57/39,415.12
  6. Step 6: Final answer
    x = 37,826.03

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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.