Home / 39,045.68-53,883.60-22,278.68

Finding the Fourth Proportional to 39,045.68, 53,883.60 and 22,278.68

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Solution

The fourth proportional to 39,045.68, 53,883.60 and 22,278.68 is: 30,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.68 : 53,883.60 = 22,278.68 : x
  2. Step 2: Convert to fraction form
    39,045.68/53,883.60 = 22,278.68/x
  3. Step 3: Cross multiply
    39,045.68x = 53,883.60 × 22,278.68
  4. Step 4: Simplify right side
    39,045.68x = 1,200,455,481.65
  5. Step 5: Solve for x
    x = 1,200,455,481.65/39,045.68
  6. Step 6: Final answer
    x = 30,744.90

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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.