Home / 38,663.70-58,004.78-13,705.94

Finding the Fourth Proportional to 38,663.70, 58,004.78 and 13,705.94

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Solution

The fourth proportional to 38,663.70, 58,004.78 and 13,705.94 is: 20,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,663.70 : 58,004.78 = 13,705.94 : x
  2. Step 2: Convert to fraction form
    38,663.70/58,004.78 = 13,705.94/x
  3. Step 3: Cross multiply
    38,663.70x = 58,004.78 × 13,705.94
  4. Step 4: Simplify right side
    38,663.70x = 795,010,034.39
  5. Step 5: Solve for x
    x = 795,010,034.39/38,663.70
  6. Step 6: Final answer
    x = 20,562.18

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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.