Home / 38,310.09-57,465.55-11,660.41

Finding the Fourth Proportional to 38,310.09, 57,465.55 and 11,660.41

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Solution

The fourth proportional to 38,310.09, 57,465.55 and 11,660.41 is: 17,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.09 : 57,465.55 = 11,660.41 : x
  2. Step 2: Convert to fraction form
    38,310.09/57,465.55 = 11,660.41/x
  3. Step 3: Cross multiply
    38,310.09x = 57,465.55 × 11,660.41
  4. Step 4: Simplify right side
    38,310.09x = 670,071,637.04
  5. Step 5: Solve for x
    x = 670,071,637.04/38,310.09
  6. Step 6: Final answer
    x = 17,490.74

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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.