Home / 35,549.04-49,042.43-20,438.49

Finding the Fourth Proportional to 35,549.04, 49,042.43 and 20,438.49

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Solution

The fourth proportional to 35,549.04, 49,042.43 and 20,438.49 is: 28,196.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,549.04 : 49,042.43 = 20,438.49 : x
  2. Step 2: Convert to fraction form
    35,549.04/49,042.43 = 20,438.49/x
  3. Step 3: Cross multiply
    35,549.04x = 49,042.43 × 20,438.49
  4. Step 4: Simplify right side
    35,549.04x = 1,002,353,266.23
  5. Step 5: Solve for x
    x = 1,002,353,266.23/35,549.04
  6. Step 6: Final answer
    x = 28,196.35

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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.