Home / 66,529.78-99,810.65-22,156.93

Finding the Fourth Proportional to 66,529.78, 99,810.65 and 22,156.93

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Solution

The fourth proportional to 66,529.78, 99,810.65 and 22,156.93 is: 33,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529.78 : 99,810.65 = 22,156.93 : x
  2. Step 2: Convert to fraction form
    66,529.78/99,810.65 = 22,156.93/x
  3. Step 3: Cross multiply
    66,529.78x = 99,810.65 × 22,156.93
  4. Step 4: Simplify right side
    66,529.78x = 2,211,497,474.52
  5. Step 5: Solve for x
    x = 2,211,497,474.52/66,529.78
  6. Step 6: Final answer
    x = 33,240.72

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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.