Home / 51,486.29-71,055.02-29,686.11

Finding the Fourth Proportional to 51,486.29, 71,055.02 and 29,686.11

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Solution

The fourth proportional to 51,486.29, 71,055.02 and 29,686.11 is: 40,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,486.29 : 71,055.02 = 29,686.11 : x
  2. Step 2: Convert to fraction form
    51,486.29/71,055.02 = 29,686.11/x
  3. Step 3: Cross multiply
    51,486.29x = 71,055.02 × 29,686.11
  4. Step 4: Simplify right side
    51,486.29x = 2,109,346,991.34
  5. Step 5: Solve for x
    x = 2,109,346,991.34/51,486.29
  6. Step 6: Final answer
    x = 40,969.10

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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.