Home / 30,916.71-42,686.67-27,304.02

Finding the Fourth Proportional to 30,916.71, 42,686.67 and 27,304.02

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Solution

The fourth proportional to 30,916.71, 42,686.67 and 27,304.02 is: 37,698.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.71 : 42,686.67 = 27,304.02 : x
  2. Step 2: Convert to fraction form
    30,916.71/42,686.67 = 27,304.02/x
  3. Step 3: Cross multiply
    30,916.71x = 42,686.67 × 27,304.02
  4. Step 4: Simplify right side
    30,916.71x = 1,165,517,691.41
  5. Step 5: Solve for x
    x = 1,165,517,691.41/30,916.71
  6. Step 6: Final answer
    x = 37,698.63

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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.