Home / 66,006.08-99,018.54-21,623.36

Finding the Fourth Proportional to 66,006.08, 99,018.54 and 21,623.36

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Solution

The fourth proportional to 66,006.08, 99,018.54 and 21,623.36 is: 32,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006.08 : 99,018.54 = 21,623.36 : x
  2. Step 2: Convert to fraction form
    66,006.08/99,018.54 = 21,623.36/x
  3. Step 3: Cross multiply
    66,006.08x = 99,018.54 × 21,623.36
  4. Step 4: Simplify right side
    66,006.08x = 2,141,113,537.09
  5. Step 5: Solve for x
    x = 2,141,113,537.09/66,006.08
  6. Step 6: Final answer
    x = 32,438.13

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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.