Home / 45,502.32-68,253.48-14,340

Finding the Fourth Proportional to 45,502.32, 68,253.48 and 14,340

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Solution

The fourth proportional to 45,502.32, 68,253.48 and 14,340 is: 21,510

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,502.32 : 68,253.48 = 14,340 : x
  2. Step 2: Convert to fraction form
    45,502.32/68,253.48 = 14,340/x
  3. Step 3: Cross multiply
    45,502.32x = 68,253.48 × 14,340
  4. Step 4: Simplify right side
    45,502.32x = 978,754,903.20
  5. Step 5: Solve for x
    x = 978,754,903.20/45,502.32
  6. Step 6: Final answer
    x = 21,510

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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.