Home / 30,846.11-42,568.40-18,916.02

Finding the Fourth Proportional to 30,846.11, 42,568.40 and 18,916.02

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Solution

The fourth proportional to 30,846.11, 42,568.40 and 18,916.02 is: 26,104.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,846.11 : 42,568.40 = 18,916.02 : x
  2. Step 2: Convert to fraction form
    30,846.11/42,568.40 = 18,916.02/x
  3. Step 3: Cross multiply
    30,846.11x = 42,568.40 × 18,916.02
  4. Step 4: Simplify right side
    30,846.11x = 805,224,753.06
  5. Step 5: Solve for x
    x = 805,224,753.06/30,846.11
  6. Step 6: Final answer
    x = 26,104.58

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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.