Home / 30,886.78-42,625.93-17,458.13

Finding the Fourth Proportional to 30,886.78, 42,625.93 and 17,458.13

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Solution

The fourth proportional to 30,886.78, 42,625.93 and 17,458.13 is: 24,093.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,886.78 : 42,625.93 = 17,458.13 : x
  2. Step 2: Convert to fraction form
    30,886.78/42,625.93 = 17,458.13/x
  3. Step 3: Cross multiply
    30,886.78x = 42,625.93 × 17,458.13
  4. Step 4: Simplify right side
    30,886.78x = 744,168,991.08
  5. Step 5: Solve for x
    x = 744,168,991.08/30,886.78
  6. Step 6: Final answer
    x = 24,093.45

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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.