Home / 66,222.81-99,313.16-21,841.29

Finding the Fourth Proportional to 66,222.81, 99,313.16 and 21,841.29

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Solution

The fourth proportional to 66,222.81, 99,313.16 and 21,841.29 is: 32,754.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,222.81 : 99,313.16 = 21,841.29 : x
  2. Step 2: Convert to fraction form
    66,222.81/99,313.16 = 21,841.29/x
  3. Step 3: Cross multiply
    66,222.81x = 99,313.16 × 21,841.29
  4. Step 4: Simplify right side
    66,222.81x = 2,169,127,419.17
  5. Step 5: Solve for x
    x = 2,169,127,419.17/66,222.81
  6. Step 6: Final answer
    x = 32,754.99

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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.