Home / 35,355.28-48,791.20-19,440.12

Finding the Fourth Proportional to 35,355.28, 48,791.20 and 19,440.12

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Solution

The fourth proportional to 35,355.28, 48,791.20 and 19,440.12 is: 26,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,355.28 : 48,791.20 = 19,440.12 : x
  2. Step 2: Convert to fraction form
    35,355.28/48,791.20 = 19,440.12/x
  3. Step 3: Cross multiply
    35,355.28x = 48,791.20 × 19,440.12
  4. Step 4: Simplify right side
    35,355.28x = 948,506,782.94
  5. Step 5: Solve for x
    x = 948,506,782.94/35,355.28
  6. Step 6: Final answer
    x = 26,827.87

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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.