Home / 45,297.24-67,955.58-18,986.88

Finding the Fourth Proportional to 45,297.24, 67,955.58 and 18,986.88

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Solution

The fourth proportional to 45,297.24, 67,955.58 and 18,986.88 is: 28,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,297.24 : 67,955.58 = 18,986.88 : x
  2. Step 2: Convert to fraction form
    45,297.24/67,955.58 = 18,986.88/x
  3. Step 3: Cross multiply
    45,297.24x = 67,955.58 × 18,986.88
  4. Step 4: Simplify right side
    45,297.24x = 1,290,264,442.79
  5. Step 5: Solve for x
    x = 1,290,264,442.79/45,297.24
  6. Step 6: Final answer
    x = 28,484.39

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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.