Home / 38,240.93-57,362.07-13,281.79

Finding the Fourth Proportional to 38,240.93, 57,362.07 and 13,281.79

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Solution

The fourth proportional to 38,240.93, 57,362.07 and 13,281.79 is: 19,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,240.93 : 57,362.07 = 13,281.79 : x
  2. Step 2: Convert to fraction form
    38,240.93/57,362.07 = 13,281.79/x
  3. Step 3: Cross multiply
    38,240.93x = 57,362.07 × 13,281.79
  4. Step 4: Simplify right side
    38,240.93x = 761,870,981.66
  5. Step 5: Solve for x
    x = 761,870,981.66/38,240.93
  6. Step 6: Final answer
    x = 19,922.92

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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.