Home / 35,406.11-48,859.04-19,490.21

Finding the Fourth Proportional to 35,406.11, 48,859.04 and 19,490.21

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Solution

The fourth proportional to 35,406.11, 48,859.04 and 19,490.21 is: 26,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.11 : 48,859.04 = 19,490.21 : x
  2. Step 2: Convert to fraction form
    35,406.11/48,859.04 = 19,490.21/x
  3. Step 3: Cross multiply
    35,406.11x = 48,859.04 × 19,490.21
  4. Step 4: Simplify right side
    35,406.11x = 952,272,608.25
  5. Step 5: Solve for x
    x = 952,272,608.25/35,406.11
  6. Step 6: Final answer
    x = 26,895.72

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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.