Home / 66,041.20-99,058.32-21,662.11

Finding the Fourth Proportional to 66,041.20, 99,058.32 and 21,662.11

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Solution

The fourth proportional to 66,041.20, 99,058.32 and 21,662.11 is: 32,492.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,041.20 : 99,058.32 = 21,662.11 : x
  2. Step 2: Convert to fraction form
    66,041.20/99,058.32 = 21,662.11/x
  3. Step 3: Cross multiply
    66,041.20x = 99,058.32 × 21,662.11
  4. Step 4: Simplify right side
    66,041.20x = 2,145,812,224.26
  5. Step 5: Solve for x
    x = 2,145,812,224.26/66,041.20
  6. Step 6: Final answer
    x = 32,492.02

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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.