Home / 30,886.71-42,623.99-17,458.12

Finding the Fourth Proportional to 30,886.71, 42,623.99 and 17,458.12

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Solution

The fourth proportional to 30,886.71, 42,623.99 and 17,458.12 is: 24,092.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.71 : 42,623.99 = 17,458.12 : x
  2. Step 2: Convert to fraction form
    30,886.71/42,623.99 = 17,458.12/x
  3. Step 3: Cross multiply
    30,886.71x = 42,623.99 × 17,458.12
  4. Step 4: Simplify right side
    30,886.71x = 744,134,732.30
  5. Step 5: Solve for x
    x = 744,134,732.30/30,886.71
  6. Step 6: Final answer
    x = 24,092.39

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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.