Home / 45,252.28-67,888.16-13,659.70

Finding the Fourth Proportional to 45,252.28, 67,888.16 and 13,659.70

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Solution

The fourth proportional to 45,252.28, 67,888.16 and 13,659.70 is: 20,492.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,252.28 : 67,888.16 = 13,659.70 : x
  2. Step 2: Convert to fraction form
    45,252.28/67,888.16 = 13,659.70/x
  3. Step 3: Cross multiply
    45,252.28x = 67,888.16 × 13,659.70
  4. Step 4: Simplify right side
    45,252.28x = 927,331,899.15
  5. Step 5: Solve for x
    x = 927,331,899.15/45,252.28
  6. Step 6: Final answer
    x = 20,492.49

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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.