Home / 66,301.29-99,455.21-18,923.36

Finding the Fourth Proportional to 66,301.29, 99,455.21 and 18,923.36

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Solution

The fourth proportional to 66,301.29, 99,455.21 and 18,923.36 is: 28,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,301.29 : 99,455.21 = 18,923.36 : x
  2. Step 2: Convert to fraction form
    66,301.29/99,455.21 = 18,923.36/x
  3. Step 3: Cross multiply
    66,301.29x = 99,455.21 × 18,923.36
  4. Step 4: Simplify right side
    66,301.29x = 1,882,026,150.81
  5. Step 5: Solve for x
    x = 1,882,026,150.81/66,301.29
  6. Step 6: Final answer
    x = 28,385.97

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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.