Home / 35,440.78-53,172.46-10,480.98

Finding the Fourth Proportional to 35,440.78, 53,172.46 and 10,480.98

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Solution

The fourth proportional to 35,440.78, 53,172.46 and 10,480.98 is: 15,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,440.78 : 53,172.46 = 10,480.98 : x
  2. Step 2: Convert to fraction form
    35,440.78/53,172.46 = 10,480.98/x
  3. Step 3: Cross multiply
    35,440.78x = 53,172.46 × 10,480.98
  4. Step 4: Simplify right side
    35,440.78x = 557,299,489.81
  5. Step 5: Solve for x
    x = 557,299,489.81/35,440.78
  6. Step 6: Final answer
    x = 15,724.81

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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.