Home / 53,151.12-79,579.02-26,775.88

Finding the Fourth Proportional to 53,151.12, 79,579.02 and 26,775.88

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Solution

The fourth proportional to 53,151.12, 79,579.02 and 26,775.88 is: 40,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,151.12 : 79,579.02 = 26,775.88 : x
  2. Step 2: Convert to fraction form
    53,151.12/79,579.02 = 26,775.88/x
  3. Step 3: Cross multiply
    53,151.12x = 79,579.02 × 26,775.88
  4. Step 4: Simplify right side
    53,151.12x = 2,130,798,290.04
  5. Step 5: Solve for x
    x = 2,130,798,290.04/53,151.12
  6. Step 6: Final answer
    x = 40,089.43

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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.