Home / 39,620.94-59,440.62-11,541.66

Finding the Fourth Proportional to 39,620.94, 59,440.62 and 11,541.66

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Solution

The fourth proportional to 39,620.94, 59,440.62 and 11,541.66 is: 17,315.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.94 : 59,440.62 = 11,541.66 : x
  2. Step 2: Convert to fraction form
    39,620.94/59,440.62 = 11,541.66/x
  3. Step 3: Cross multiply
    39,620.94x = 59,440.62 × 11,541.66
  4. Step 4: Simplify right side
    39,620.94x = 686,043,426.23
  5. Step 5: Solve for x
    x = 686,043,426.23/39,620.94
  6. Step 6: Final answer
    x = 17,315.17

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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.