Home / 77,531.72-116,297.58-22,127.72

Finding the Fourth Proportional to 77,531.72, 116,297.58 and 22,127.72

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Solution

The fourth proportional to 77,531.72, 116,297.58 and 22,127.72 is: 33,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,531.72 : 116,297.58 = 22,127.72 : x
  2. Step 2: Convert to fraction form
    77,531.72/116,297.58 = 22,127.72/x
  3. Step 3: Cross multiply
    77,531.72x = 116,297.58 × 22,127.72
  4. Step 4: Simplify right side
    77,531.72x = 2,573,400,286.92
  5. Step 5: Solve for x
    x = 2,573,400,286.92/77,531.72
  6. Step 6: Final answer
    x = 33,191.58

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1.5x scale

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.