Home / 66,528.78-99,809.15-22,155.93

Finding the Fourth Proportional to 66,528.78, 99,809.15 and 22,155.93

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Solution

The fourth proportional to 66,528.78, 99,809.15 and 22,155.93 is: 33,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,528.78 : 99,809.15 = 22,155.93 : x
  2. Step 2: Convert to fraction form
    66,528.78/99,809.15 = 22,155.93/x
  3. Step 3: Cross multiply
    66,528.78x = 99,809.15 × 22,155.93
  4. Step 4: Simplify right side
    66,528.78x = 2,211,364,429.98
  5. Step 5: Solve for x
    x = 2,211,364,429.98/66,528.78
  6. Step 6: Final answer
    x = 33,239.22

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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.