Home / 38,403.69-57,631.47-13,443.93

Finding the Fourth Proportional to 38,403.69, 57,631.47 and 13,443.93

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Solution

The fourth proportional to 38,403.69, 57,631.47 and 13,443.93 is: 20,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,403.69 : 57,631.47 = 13,443.93 : x
  2. Step 2: Convert to fraction form
    38,403.69/57,631.47 = 13,443.93/x
  3. Step 3: Cross multiply
    38,403.69x = 57,631.47 × 13,443.93
  4. Step 4: Simplify right side
    38,403.69x = 774,793,448.48
  5. Step 5: Solve for x
    x = 774,793,448.48/38,403.69
  6. Step 6: Final answer
    x = 20,174.97

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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.