Home / 45,253.72-67,907.02-18,956.24

Finding the Fourth Proportional to 45,253.72, 67,907.02 and 18,956.24

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Solution

The fourth proportional to 45,253.72, 67,907.02 and 18,956.24 is: 28,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253.72 : 67,907.02 = 18,956.24 : x
  2. Step 2: Convert to fraction form
    45,253.72/67,907.02 = 18,956.24/x
  3. Step 3: Cross multiply
    45,253.72x = 67,907.02 × 18,956.24
  4. Step 4: Simplify right side
    45,253.72x = 1,287,261,768.80
  5. Step 5: Solve for x
    x = 1,287,261,768.80/45,253.72
  6. Step 6: Final answer
    x = 28,445.44

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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.