Home / 39,281.12-54,206.88-22,284.08

Finding the Fourth Proportional to 39,281.12, 54,206.88 and 22,284.08

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Solution

The fourth proportional to 39,281.12, 54,206.88 and 22,284.08 is: 30,751.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,281.12 : 54,206.88 = 22,284.08 : x
  2. Step 2: Convert to fraction form
    39,281.12/54,206.88 = 22,284.08/x
  3. Step 3: Cross multiply
    39,281.12x = 54,206.88 × 22,284.08
  4. Step 4: Simplify right side
    39,281.12x = 1,207,950,450.47
  5. Step 5: Solve for x
    x = 1,207,950,450.47/39,281.12
  6. Step 6: Final answer
    x = 30,751.43

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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.