Home / 38,434.80-57,632.76-11,772.84

Finding the Fourth Proportional to 38,434.80, 57,632.76 and 11,772.84

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Solution

The fourth proportional to 38,434.80, 57,632.76 and 11,772.84 is: 17,653.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,434.80 : 57,632.76 = 11,772.84 : x
  2. Step 2: Convert to fraction form
    38,434.80/57,632.76 = 11,772.84/x
  3. Step 3: Cross multiply
    38,434.80x = 57,632.76 × 11,772.84
  4. Step 4: Simplify right side
    38,434.80x = 678,501,262.24
  5. Step 5: Solve for x
    x = 678,501,262.24/38,434.80
  6. Step 6: Final answer
    x = 17,653.31

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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.