Home / 30,804.06-42,508.65-17,375.12

Finding the Fourth Proportional to 30,804.06, 42,508.65 and 17,375.12

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Solution

The fourth proportional to 30,804.06, 42,508.65 and 17,375.12 is: 23,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,804.06 : 42,508.65 = 17,375.12 : x
  2. Step 2: Convert to fraction form
    30,804.06/42,508.65 = 17,375.12/x
  3. Step 3: Cross multiply
    30,804.06x = 42,508.65 × 17,375.12
  4. Step 4: Simplify right side
    30,804.06x = 738,592,894.79
  5. Step 5: Solve for x
    x = 738,592,894.79/30,804.06
  6. Step 6: Final answer
    x = 23,977.13

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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.