Home / 76,737.54-115,116.03-21,333.54

Finding the Fourth Proportional to 76,737.54, 115,116.03 and 21,333.54

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Solution

The fourth proportional to 76,737.54, 115,116.03 and 21,333.54 is: 32,003.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,737.54 : 115,116.03 = 21,333.54 : x
  2. Step 2: Convert to fraction form
    76,737.54/115,116.03 = 21,333.54/x
  3. Step 3: Cross multiply
    76,737.54x = 115,116.03 × 21,333.54
  4. Step 4: Simplify right side
    76,737.54x = 2,455,832,430.65
  5. Step 5: Solve for x
    x = 2,455,832,430.65/76,737.54
  6. Step 6: Final answer
    x = 32,003.01

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1.5x scale

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.