Home / 35,933.60-49,586.28-20,018.72

Finding the Fourth Proportional to 35,933.60, 49,586.28 and 20,018.72

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Solution

The fourth proportional to 35,933.60, 49,586.28 and 20,018.72 is: 27,624.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,933.60 : 49,586.28 = 20,018.72 : x
  2. Step 2: Convert to fraction form
    35,933.60/49,586.28 = 20,018.72/x
  3. Step 3: Cross multiply
    35,933.60x = 49,586.28 × 20,018.72
  4. Step 4: Simplify right side
    35,933.60x = 992,653,855.16
  5. Step 5: Solve for x
    x = 992,653,855.16/35,933.60
  6. Step 6: Final answer
    x = 27,624.67

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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.