Home / 39,760.12-59,640.44-11,680.06

Finding the Fourth Proportional to 39,760.12, 59,640.44 and 11,680.06

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Solution

The fourth proportional to 39,760.12, 59,640.44 and 11,680.06 is: 17,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,760.12 : 59,640.44 = 11,680.06 : x
  2. Step 2: Convert to fraction form
    39,760.12/59,640.44 = 11,680.06/x
  3. Step 3: Cross multiply
    39,760.12x = 59,640.44 × 11,680.06
  4. Step 4: Simplify right side
    39,760.12x = 696,604,095.93
  5. Step 5: Solve for x
    x = 696,604,095.93/39,760.12
  6. Step 6: Final answer
    x = 17,520.17

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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.