Home / 39,729.12-54,826.08-22,971.84

Finding the Fourth Proportional to 39,729.12, 54,826.08 and 22,971.84

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Solution

The fourth proportional to 39,729.12, 54,826.08 and 22,971.84 is: 31,701.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,729.12 : 54,826.08 = 22,971.84 : x
  2. Step 2: Convert to fraction form
    39,729.12/54,826.08 = 22,971.84/x
  3. Step 3: Cross multiply
    39,729.12x = 54,826.08 × 22,971.84
  4. Step 4: Simplify right side
    39,729.12x = 1,259,455,937.59
  5. Step 5: Solve for x
    x = 1,259,455,937.59/39,729.12
  6. Step 6: Final answer
    x = 31,701.08

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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.