Home / 60,477.30-90,716.58-21,035.70

Finding the Fourth Proportional to 60,477.30, 90,716.58 and 21,035.70

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Solution

The fourth proportional to 60,477.30, 90,716.58 and 21,035.70 is: 31,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,477.30 : 90,716.58 = 21,035.70 : x
  2. Step 2: Convert to fraction form
    60,477.30/90,716.58 = 21,035.70/x
  3. Step 3: Cross multiply
    60,477.30x = 90,716.58 × 21,035.70
  4. Step 4: Simplify right side
    60,477.30x = 1,908,286,761.91
  5. Step 5: Solve for x
    x = 1,908,286,761.91/60,477.30
  6. Step 6: Final answer
    x = 31,553.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.