Home / 35,792.45-53,679.78-12,099.47

Finding the Fourth Proportional to 35,792.45, 53,679.78 and 12,099.47

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Solution

The fourth proportional to 35,792.45, 53,679.78 and 12,099.47 is: 18,146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,792.45 : 53,679.78 = 12,099.47 : x
  2. Step 2: Convert to fraction form
    35,792.45/53,679.78 = 12,099.47/x
  3. Step 3: Cross multiply
    35,792.45x = 53,679.78 × 12,099.47
  4. Step 4: Simplify right side
    35,792.45x = 649,496,619.32
  5. Step 5: Solve for x
    x = 649,496,619.32/35,792.45
  6. Step 6: Final answer
    x = 18,146.19

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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.