Home / 30,958.11-42,721.02-17,526.69

Finding the Fourth Proportional to 30,958.11, 42,721.02 and 17,526.69

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Solution

The fourth proportional to 30,958.11, 42,721.02 and 17,526.69 is: 24,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.11 : 42,721.02 = 17,526.69 : x
  2. Step 2: Convert to fraction form
    30,958.11/42,721.02 = 17,526.69/x
  3. Step 3: Cross multiply
    30,958.11x = 42,721.02 × 17,526.69
  4. Step 4: Simplify right side
    30,958.11x = 748,758,074.02
  5. Step 5: Solve for x
    x = 748,758,074.02/30,958.11
  6. Step 6: Final answer
    x = 24,186.17

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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.