Home / 39,284.12-54,211.02-22,287.08

Finding the Fourth Proportional to 39,284.12, 54,211.02 and 22,287.08

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Solution

The fourth proportional to 39,284.12, 54,211.02 and 22,287.08 is: 30,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,284.12 : 54,211.02 = 22,287.08 : x
  2. Step 2: Convert to fraction form
    39,284.12/54,211.02 = 22,287.08/x
  3. Step 3: Cross multiply
    39,284.12x = 54,211.02 × 22,287.08
  4. Step 4: Simplify right side
    39,284.12x = 1,208,205,339.62
  5. Step 5: Solve for x
    x = 1,208,205,339.62/39,284.12
  6. Step 6: Final answer
    x = 30,755.57

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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.