Home / 45,712.36-63,069.06-29,791

Finding the Fourth Proportional to 45,712.36, 63,069.06 and 29,791

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Solution

The fourth proportional to 45,712.36, 63,069.06 and 29,791 is: 41,102.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,712.36 : 63,069.06 = 29,791 : x
  2. Step 2: Convert to fraction form
    45,712.36/63,069.06 = 29,791/x
  3. Step 3: Cross multiply
    45,712.36x = 63,069.06 × 29,791
  4. Step 4: Simplify right side
    45,712.36x = 1,878,890,366.46
  5. Step 5: Solve for x
    x = 1,878,890,366.46/45,712.36
  6. Step 6: Final answer
    x = 41,102.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.