Home / 45,585.06-68,384.82-19,290

Finding the Fourth Proportional to 45,585.06, 68,384.82 and 19,290

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Solution

The fourth proportional to 45,585.06, 68,384.82 and 19,290 is: 28,938.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,585.06 : 68,384.82 = 19,290 : x
  2. Step 2: Convert to fraction form
    45,585.06/68,384.82 = 19,290/x
  3. Step 3: Cross multiply
    45,585.06x = 68,384.82 × 19,290
  4. Step 4: Simplify right side
    45,585.06x = 1,319,143,177.80
  5. Step 5: Solve for x
    x = 1,319,143,177.80/45,585.06
  6. Step 6: Final answer
    x = 28,938.06

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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.