Home / 44,151.11-66,219.37-12,979.07

Finding the Fourth Proportional to 44,151.11, 66,219.37 and 12,979.07

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Solution

The fourth proportional to 44,151.11, 66,219.37 and 12,979.07 is: 19,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,151.11 : 66,219.37 = 12,979.07 : x
  2. Step 2: Convert to fraction form
    44,151.11/66,219.37 = 12,979.07/x
  3. Step 3: Cross multiply
    44,151.11x = 66,219.37 × 12,979.07
  4. Step 4: Simplify right side
    44,151.11x = 859,465,442.59
  5. Step 5: Solve for x
    x = 859,465,442.59/44,151.11
  6. Step 6: Final answer
    x = 19,466.45

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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.