Home / 39,461.11-54,454.35-21,552.82

Finding the Fourth Proportional to 39,461.11, 54,454.35 and 21,552.82

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Solution

The fourth proportional to 39,461.11, 54,454.35 and 21,552.82 is: 29,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,461.11 : 54,454.35 = 21,552.82 : x
  2. Step 2: Convert to fraction form
    39,461.11/54,454.35 = 21,552.82/x
  3. Step 3: Cross multiply
    39,461.11x = 54,454.35 × 21,552.82
  4. Step 4: Simplify right side
    39,461.11x = 1,173,644,803.77
  5. Step 5: Solve for x
    x = 1,173,644,803.77/39,461.11
  6. Step 6: Final answer
    x = 29,741.81

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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.