Home / 39,182.34-54,070.14-21,276.96

Finding the Fourth Proportional to 39,182.34, 54,070.14 and 21,276.96

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Solution

The fourth proportional to 39,182.34, 54,070.14 and 21,276.96 is: 29,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,182.34 : 54,070.14 = 21,276.96 : x
  2. Step 2: Convert to fraction form
    39,182.34/54,070.14 = 21,276.96/x
  3. Step 3: Cross multiply
    39,182.34x = 54,070.14 × 21,276.96
  4. Step 4: Simplify right side
    39,182.34x = 1,150,448,205.97
  5. Step 5: Solve for x
    x = 1,150,448,205.97/39,182.34
  6. Step 6: Final answer
    x = 29,361.40

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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.