Home / 35,685.76-53,529.52-11,993.66

Finding the Fourth Proportional to 35,685.76, 53,529.52 and 11,993.66

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Solution

The fourth proportional to 35,685.76, 53,529.52 and 11,993.66 is: 17,990.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,685.76 : 53,529.52 = 11,993.66 : x
  2. Step 2: Convert to fraction form
    35,685.76/53,529.52 = 11,993.66/x
  3. Step 3: Cross multiply
    35,685.76x = 53,529.52 × 11,993.66
  4. Step 4: Simplify right side
    35,685.76x = 642,014,862.84
  5. Step 5: Solve for x
    x = 642,014,862.84/35,685.76
  6. Step 6: Final answer
    x = 17,990.79

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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.