Home / 53,926.20-80,889.30-18,862.20

Finding the Fourth Proportional to 53,926.20, 80,889.30 and 18,862.20

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Solution

The fourth proportional to 53,926.20, 80,889.30 and 18,862.20 is: 28,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,926.20 : 80,889.30 = 18,862.20 : x
  2. Step 2: Convert to fraction form
    53,926.20/80,889.30 = 18,862.20/x
  3. Step 3: Cross multiply
    53,926.20x = 80,889.30 × 18,862.20
  4. Step 4: Simplify right side
    53,926.20x = 1,525,750,154.46
  5. Step 5: Solve for x
    x = 1,525,750,154.46/53,926.20
  6. Step 6: Final answer
    x = 28,293.30

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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.