Home / 45,721.17-68,581.77-19,407.46

Finding the Fourth Proportional to 45,721.17, 68,581.77 and 19,407.46

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Solution

The fourth proportional to 45,721.17, 68,581.77 and 19,407.46 is: 29,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,721.17 : 68,581.77 = 19,407.46 : x
  2. Step 2: Convert to fraction form
    45,721.17/68,581.77 = 19,407.46/x
  3. Step 3: Cross multiply
    45,721.17x = 68,581.77 × 19,407.46
  4. Step 4: Simplify right side
    45,721.17x = 1,330,997,958.00
  5. Step 5: Solve for x
    x = 1,330,997,958.00/45,721.17
  6. Step 6: Final answer
    x = 29,111.20

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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.