Home / 30,822.30-42,534.63-16,675.02

Finding the Fourth Proportional to 30,822.30, 42,534.63 and 16,675.02

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Solution

The fourth proportional to 30,822.30, 42,534.63 and 16,675.02 is: 23,011.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,822.30 : 42,534.63 = 16,675.02 : x
  2. Step 2: Convert to fraction form
    30,822.30/42,534.63 = 16,675.02/x
  3. Step 3: Cross multiply
    30,822.30x = 42,534.63 × 16,675.02
  4. Step 4: Simplify right side
    30,822.30x = 709,265,805.94
  5. Step 5: Solve for x
    x = 709,265,805.94/30,822.30
  6. Step 6: Final answer
    x = 23,011.45

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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.