Home / 53,043.80-79,555.98-21,452.18

Finding the Fourth Proportional to 53,043.80, 79,555.98 and 21,452.18

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Solution

The fourth proportional to 53,043.80, 79,555.98 and 21,452.18 is: 32,174.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,043.80 : 79,555.98 = 21,452.18 : x
  2. Step 2: Convert to fraction form
    53,043.80/79,555.98 = 21,452.18/x
  3. Step 3: Cross multiply
    53,043.80x = 79,555.98 × 21,452.18
  4. Step 4: Simplify right side
    53,043.80x = 1,706,649,203.04
  5. Step 5: Solve for x
    x = 1,706,649,203.04/53,043.80
  6. Step 6: Final answer
    x = 32,174.34

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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.