Home / 38,263.06-57,385.36-11,967.81

Finding the Fourth Proportional to 38,263.06, 57,385.36 and 11,967.81

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Solution

The fourth proportional to 38,263.06, 57,385.36 and 11,967.81 is: 17,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,263.06 : 57,385.36 = 11,967.81 : x
  2. Step 2: Convert to fraction form
    38,263.06/57,385.36 = 11,967.81/x
  3. Step 3: Cross multiply
    38,263.06x = 57,385.36 × 11,967.81
  4. Step 4: Simplify right side
    38,263.06x = 686,776,798.33
  5. Step 5: Solve for x
    x = 686,776,798.33/38,263.06
  6. Step 6: Final answer
    x = 17,948.82

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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.