Home / 30,425.57-45,638.31-22,158.17

Finding the Fourth Proportional to 30,425.57, 45,638.31 and 22,158.17

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Solution

The fourth proportional to 30,425.57, 45,638.31 and 22,158.17 is: 33,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.57 : 45,638.31 = 22,158.17 : x
  2. Step 2: Convert to fraction form
    30,425.57/45,638.31 = 22,158.17/x
  3. Step 3: Cross multiply
    30,425.57x = 45,638.31 × 22,158.17
  4. Step 4: Simplify right side
    30,425.57x = 1,011,261,203.30
  5. Step 5: Solve for x
    x = 1,011,261,203.30/30,425.57
  6. Step 6: Final answer
    x = 33,237.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.