Home / 47,139.22-65,045.35-27,746.61

Finding the Fourth Proportional to 47,139.22, 65,045.35 and 27,746.61

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Solution

The fourth proportional to 47,139.22, 65,045.35 and 27,746.61 is: 38,286.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,139.22 : 65,045.35 = 27,746.61 : x
  2. Step 2: Convert to fraction form
    47,139.22/65,045.35 = 27,746.61/x
  3. Step 3: Cross multiply
    47,139.22x = 65,045.35 × 27,746.61
  4. Step 4: Simplify right side
    47,139.22x = 1,804,787,958.76
  5. Step 5: Solve for x
    x = 1,804,787,958.76/47,139.22
  6. Step 6: Final answer
    x = 38,286.33

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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.