Home / 35,686.22-49,246.88-19,770.66

Finding the Fourth Proportional to 35,686.22, 49,246.88 and 19,770.66

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Solution

The fourth proportional to 35,686.22, 49,246.88 and 19,770.66 is: 27,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.22 : 49,246.88 = 19,770.66 : x
  2. Step 2: Convert to fraction form
    35,686.22/49,246.88 = 19,770.66/x
  3. Step 3: Cross multiply
    35,686.22x = 49,246.88 × 19,770.66
  4. Step 4: Simplify right side
    35,686.22x = 973,643,221.69
  5. Step 5: Solve for x
    x = 973,643,221.69/35,686.22
  6. Step 6: Final answer
    x = 27,283.45

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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.