Home / 35,991.14-53,980.55-9,689.73

Finding the Fourth Proportional to 35,991.14, 53,980.55 and 9,689.73

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Solution

The fourth proportional to 35,991.14, 53,980.55 and 9,689.73 is: 14,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,991.14 : 53,980.55 = 9,689.73 : x
  2. Step 2: Convert to fraction form
    35,991.14/53,980.55 = 9,689.73/x
  3. Step 3: Cross multiply
    35,991.14x = 53,980.55 × 9,689.73
  4. Step 4: Simplify right side
    35,991.14x = 523,056,954.75
  5. Step 5: Solve for x
    x = 523,056,954.75/35,991.14
  6. Step 6: Final answer
    x = 14,532.94

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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.