Home / 35,688.60-49,251.24-19,774.80

Finding the Fourth Proportional to 35,688.60, 49,251.24 and 19,774.80

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Solution

The fourth proportional to 35,688.60, 49,251.24 and 19,774.80 is: 27,289.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,688.60 : 49,251.24 = 19,774.80 : x
  2. Step 2: Convert to fraction form
    35,688.60/49,251.24 = 19,774.80/x
  3. Step 3: Cross multiply
    35,688.60x = 49,251.24 × 19,774.80
  4. Step 4: Simplify right side
    35,688.60x = 973,933,420.75
  5. Step 5: Solve for x
    x = 973,933,420.75/35,688.60
  6. Step 6: Final answer
    x = 27,289.76

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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.