Home / 45,599.20-68,389.20-19,304.80

Finding the Fourth Proportional to 45,599.20, 68,389.20 and 19,304.80

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Solution

The fourth proportional to 45,599.20, 68,389.20 and 19,304.80 is: 28,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,599.20 : 68,389.20 = 19,304.80 : x
  2. Step 2: Convert to fraction form
    45,599.20/68,389.20 = 19,304.80/x
  3. Step 3: Cross multiply
    45,599.20x = 68,389.20 × 19,304.80
  4. Step 4: Simplify right side
    45,599.20x = 1,320,239,828.16
  5. Step 5: Solve for x
    x = 1,320,239,828.16/45,599.20
  6. Step 6: Final answer
    x = 28,953.14

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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.