Home / 45,586.04-68,386.28-19,291

Finding the Fourth Proportional to 45,586.04, 68,386.28 and 19,291

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Solution

The fourth proportional to 45,586.04, 68,386.28 and 19,291 is: 28,939.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,586.04 : 68,386.28 = 19,291 : x
  2. Step 2: Convert to fraction form
    45,586.04/68,386.28 = 19,291/x
  3. Step 3: Cross multiply
    45,586.04x = 68,386.28 × 19,291
  4. Step 4: Simplify right side
    45,586.04x = 1,319,239,727.48
  5. Step 5: Solve for x
    x = 1,319,239,727.48/45,586.04
  6. Step 6: Final answer
    x = 28,939.56

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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.