Home / 53,019.40-79,527.02-17,959.05

Finding the Fourth Proportional to 53,019.40, 79,527.02 and 17,959.05

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Solution

The fourth proportional to 53,019.40, 79,527.02 and 17,959.05 is: 26,937.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.40 : 79,527.02 = 17,959.05 : x
  2. Step 2: Convert to fraction form
    53,019.40/79,527.02 = 17,959.05/x
  3. Step 3: Cross multiply
    53,019.40x = 79,527.02 × 17,959.05
  4. Step 4: Simplify right side
    53,019.40x = 1,428,229,904.90
  5. Step 5: Solve for x
    x = 1,428,229,904.90/53,019.40
  6. Step 6: Final answer
    x = 26,937.88

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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.