Home / 30,886.89-42,623.72-17,458.11

Finding the Fourth Proportional to 30,886.89, 42,623.72 and 17,458.11

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Solution

The fourth proportional to 30,886.89, 42,623.72 and 17,458.11 is: 24,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.89 : 42,623.72 = 17,458.11 : x
  2. Step 2: Convert to fraction form
    30,886.89/42,623.72 = 17,458.11/x
  3. Step 3: Cross multiply
    30,886.89x = 42,623.72 × 17,458.11
  4. Step 4: Simplify right side
    30,886.89x = 744,129,505.08
  5. Step 5: Solve for x
    x = 744,129,505.08/30,886.89
  6. Step 6: Final answer
    x = 24,092.08

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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.