Home / 53,281.55-79,922.33-18,221.51

Finding the Fourth Proportional to 53,281.55, 79,922.33 and 18,221.51

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Solution

The fourth proportional to 53,281.55, 79,922.33 and 18,221.51 is: 27,332.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281.55 : 79,922.33 = 18,221.51 : x
  2. Step 2: Convert to fraction form
    53,281.55/79,922.33 = 18,221.51/x
  3. Step 3: Cross multiply
    53,281.55x = 79,922.33 × 18,221.51
  4. Step 4: Simplify right side
    53,281.55x = 1,456,305,044.60
  5. Step 5: Solve for x
    x = 1,456,305,044.60/53,281.55
  6. Step 6: Final answer
    x = 27,332.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.