Home / 30,974.04-42,689.16-25,272.18

Finding the Fourth Proportional to 30,974.04, 42,689.16 and 25,272.18

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Solution

The fourth proportional to 30,974.04, 42,689.16 and 25,272.18 is: 34,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,974.04 : 42,689.16 = 25,272.18 : x
  2. Step 2: Convert to fraction form
    30,974.04/42,689.16 = 25,272.18/x
  3. Step 3: Cross multiply
    30,974.04x = 42,689.16 × 25,272.18
  4. Step 4: Simplify right side
    30,974.04x = 1,078,848,135.57
  5. Step 5: Solve for x
    x = 1,078,848,135.57/30,974.04
  6. Step 6: Final answer
    x = 34,830.72

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1.5x scale

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.