Home / 35,774.70-49,366.35-20,660.46

Finding the Fourth Proportional to 35,774.70, 49,366.35 and 20,660.46

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Solution

The fourth proportional to 35,774.70, 49,366.35 and 20,660.46 is: 28,509.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,774.70 : 49,366.35 = 20,660.46 : x
  2. Step 2: Convert to fraction form
    35,774.70/49,366.35 = 20,660.46/x
  3. Step 3: Cross multiply
    35,774.70x = 49,366.35 × 20,660.46
  4. Step 4: Simplify right side
    35,774.70x = 1,019,931,499.52
  5. Step 5: Solve for x
    x = 1,019,931,499.52/35,774.70
  6. Step 6: Final answer
    x = 28,509.85

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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.