Home / 53,326.68-79,963.18-17,775.42

Finding the Fourth Proportional to 53,326.68, 79,963.18 and 17,775.42

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Solution

The fourth proportional to 53,326.68, 79,963.18 and 17,775.42 is: 26,654.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,326.68 : 79,963.18 = 17,775.42 : x
  2. Step 2: Convert to fraction form
    53,326.68/79,963.18 = 17,775.42/x
  3. Step 3: Cross multiply
    53,326.68x = 79,963.18 × 17,775.42
  4. Step 4: Simplify right side
    53,326.68x = 1,421,379,109.04
  5. Step 5: Solve for x
    x = 1,421,379,109.04/53,326.68
  6. Step 6: Final answer
    x = 26,654.18

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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.