Home / 30,499.03-42,088.82-17,070.55

Finding the Fourth Proportional to 30,499.03, 42,088.82 and 17,070.55

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Solution

The fourth proportional to 30,499.03, 42,088.82 and 17,070.55 is: 23,557.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,499.03 : 42,088.82 = 17,070.55 : x
  2. Step 2: Convert to fraction form
    30,499.03/42,088.82 = 17,070.55/x
  3. Step 3: Cross multiply
    30,499.03x = 42,088.82 × 17,070.55
  4. Step 4: Simplify right side
    30,499.03x = 718,479,115.68
  5. Step 5: Solve for x
    x = 718,479,115.68/30,499.03
  6. Step 6: Final answer
    x = 23,557.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.