Home / 35,431.92-53,150.94-9,136.44

Finding the Fourth Proportional to 35,431.92, 53,150.94 and 9,136.44

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Solution

The fourth proportional to 35,431.92, 53,150.94 and 9,136.44 is: 13,705.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,431.92 : 53,150.94 = 9,136.44 : x
  2. Step 2: Convert to fraction form
    35,431.92/53,150.94 = 9,136.44/x
  3. Step 3: Cross multiply
    35,431.92x = 53,150.94 × 9,136.44
  4. Step 4: Simplify right side
    35,431.92x = 485,610,374.25
  5. Step 5: Solve for x
    x = 485,610,374.25/35,431.92
  6. Step 6: Final answer
    x = 13,705.45

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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.