Home / 66,549.33-99,838.31-19,164.06

Finding the Fourth Proportional to 66,549.33, 99,838.31 and 19,164.06

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Solution

The fourth proportional to 66,549.33, 99,838.31 and 19,164.06 is: 28,750.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,549.33 : 99,838.31 = 19,164.06 : x
  2. Step 2: Convert to fraction form
    66,549.33/99,838.31 = 19,164.06/x
  3. Step 3: Cross multiply
    66,549.33x = 99,838.31 × 19,164.06
  4. Step 4: Simplify right side
    66,549.33x = 1,913,307,267.32
  5. Step 5: Solve for x
    x = 1,913,307,267.32/66,549.33
  6. Step 6: Final answer
    x = 28,750.21

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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.