Home / 35,597.62-49,123.12-20,490.75

Finding the Fourth Proportional to 35,597.62, 49,123.12 and 20,490.75

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Solution

The fourth proportional to 35,597.62, 49,123.12 and 20,490.75 is: 28,276.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,597.62 : 49,123.12 = 20,490.75 : x
  2. Step 2: Convert to fraction form
    35,597.62/49,123.12 = 20,490.75/x
  3. Step 3: Cross multiply
    35,597.62x = 49,123.12 × 20,490.75
  4. Step 4: Simplify right side
    35,597.62x = 1,006,569,571.14
  5. Step 5: Solve for x
    x = 1,006,569,571.14/35,597.62
  6. Step 6: Final answer
    x = 28,276.32

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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.