Home / 34,754.16-47,960.78-18,838.60

Finding the Fourth Proportional to 34,754.16, 47,960.78 and 18,838.60

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Solution

The fourth proportional to 34,754.16, 47,960.78 and 18,838.60 is: 25,997.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,754.16 : 47,960.78 = 18,838.60 : x
  2. Step 2: Convert to fraction form
    34,754.16/47,960.78 = 18,838.60/x
  3. Step 3: Cross multiply
    34,754.16x = 47,960.78 × 18,838.60
  4. Step 4: Simplify right side
    34,754.16x = 903,513,950.11
  5. Step 5: Solve for x
    x = 903,513,950.11/34,754.16
  6. Step 6: Final answer
    x = 25,997.29

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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.