Home / 35,737.79-49,317.39-19,821.92

Finding the Fourth Proportional to 35,737.79, 49,317.39 and 19,821.92

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Solution

The fourth proportional to 35,737.79, 49,317.39 and 19,821.92 is: 27,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,737.79 : 49,317.39 = 19,821.92 : x
  2. Step 2: Convert to fraction form
    35,737.79/49,317.39 = 19,821.92/x
  3. Step 3: Cross multiply
    35,737.79x = 49,317.39 × 19,821.92
  4. Step 4: Simplify right side
    35,737.79x = 977,565,112.60
  5. Step 5: Solve for x
    x = 977,565,112.60/35,737.79
  6. Step 6: Final answer
    x = 27,353.82

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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.