Home / 39,941.56-55,116.12-22,940.40

Finding the Fourth Proportional to 39,941.56, 55,116.12 and 22,940.40

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Solution

The fourth proportional to 39,941.56, 55,116.12 and 22,940.40 is: 31,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.56 : 55,116.12 = 22,940.40 : x
  2. Step 2: Convert to fraction form
    39,941.56/55,116.12 = 22,940.40/x
  3. Step 3: Cross multiply
    39,941.56x = 55,116.12 × 22,940.40
  4. Step 4: Simplify right side
    39,941.56x = 1,264,385,839.25
  5. Step 5: Solve for x
    x = 1,264,385,839.25/39,941.56
  6. Step 6: Final answer
    x = 31,655.90

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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.