Home / 35,084.03-48,400.20-21,655.85

Finding the Fourth Proportional to 35,084.03, 48,400.20 and 21,655.85

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Solution

The fourth proportional to 35,084.03, 48,400.20 and 21,655.85 is: 29,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,084.03 : 48,400.20 = 21,655.85 : x
  2. Step 2: Convert to fraction form
    35,084.03/48,400.20 = 21,655.85/x
  3. Step 3: Cross multiply
    35,084.03x = 48,400.20 × 21,655.85
  4. Step 4: Simplify right side
    35,084.03x = 1,048,147,471.17
  5. Step 5: Solve for x
    x = 1,048,147,471.17/35,084.03
  6. Step 6: Final answer
    x = 29,875.34

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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.