Home / 35,278.62-48,686.22-19,362.90

Finding the Fourth Proportional to 35,278.62, 48,686.22 and 19,362.90

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Solution

The fourth proportional to 35,278.62, 48,686.22 and 19,362.90 is: 26,721.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.62 : 48,686.22 = 19,362.90 : x
  2. Step 2: Convert to fraction form
    35,278.62/48,686.22 = 19,362.90/x
  3. Step 3: Cross multiply
    35,278.62x = 48,686.22 × 19,362.90
  4. Step 4: Simplify right side
    35,278.62x = 942,706,409.24
  5. Step 5: Solve for x
    x = 942,706,409.24/35,278.62
  6. Step 6: Final answer
    x = 26,721.75

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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.