Home / 39,423.46-54,405.21-22,427.14

Finding the Fourth Proportional to 39,423.46, 54,405.21 and 22,427.14

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Solution

The fourth proportional to 39,423.46, 54,405.21 and 22,427.14 is: 30,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,423.46 : 54,405.21 = 22,427.14 : x
  2. Step 2: Convert to fraction form
    39,423.46/54,405.21 = 22,427.14/x
  3. Step 3: Cross multiply
    39,423.46x = 54,405.21 × 22,427.14
  4. Step 4: Simplify right side
    39,423.46x = 1,220,153,261.40
  5. Step 5: Solve for x
    x = 1,220,153,261.40/39,423.46
  6. Step 6: Final answer
    x = 30,949.93

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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.