Home / 45,818.40-68,713.52-14,645.28

Finding the Fourth Proportional to 45,818.40, 68,713.52 and 14,645.28

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Solution

The fourth proportional to 45,818.40, 68,713.52 and 14,645.28 is: 21,963.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,818.40 : 68,713.52 = 14,645.28 : x
  2. Step 2: Convert to fraction form
    45,818.40/68,713.52 = 14,645.28/x
  3. Step 3: Cross multiply
    45,818.40x = 68,713.52 × 14,645.28
  4. Step 4: Simplify right side
    45,818.40x = 1,006,328,740.19
  5. Step 5: Solve for x
    x = 1,006,328,740.19/45,818.40
  6. Step 6: Final answer
    x = 21,963.42

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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.