Home / 45,029.64-67,523.88-18,718.68

Finding the Fourth Proportional to 45,029.64, 67,523.88 and 18,718.68

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Solution

The fourth proportional to 45,029.64, 67,523.88 and 18,718.68 is: 28,069.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,029.64 : 67,523.88 = 18,718.68 : x
  2. Step 2: Convert to fraction form
    45,029.64/67,523.88 = 18,718.68/x
  3. Step 3: Cross multiply
    45,029.64x = 67,523.88 × 18,718.68
  4. Step 4: Simplify right side
    45,029.64x = 1,263,957,902.08
  5. Step 5: Solve for x
    x = 1,263,957,902.08/45,029.64
  6. Step 6: Final answer
    x = 28,069.46

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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.