Home / 35,572.53-49,091.13-21,240.75

Finding the Fourth Proportional to 35,572.53, 49,091.13 and 21,240.75

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Solution

The fourth proportional to 35,572.53, 49,091.13 and 21,240.75 is: 29,312.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,572.53 : 49,091.13 = 21,240.75 : x
  2. Step 2: Convert to fraction form
    35,572.53/49,091.13 = 21,240.75/x
  3. Step 3: Cross multiply
    35,572.53x = 49,091.13 × 21,240.75
  4. Step 4: Simplify right side
    35,572.53x = 1,042,732,419.55
  5. Step 5: Solve for x
    x = 1,042,732,419.55/35,572.53
  6. Step 6: Final answer
    x = 29,312.86

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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.