Home / 84,923.42-127,384.67-21,743.42

Finding the Fourth Proportional to 84,923.42, 127,384.67 and 21,743.42

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Solution

The fourth proportional to 84,923.42, 127,384.67 and 21,743.42 is: 32,615.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,923.42 : 127,384.67 = 21,743.42 : x
  2. Step 2: Convert to fraction form
    84,923.42/127,384.67 = 21,743.42/x
  3. Step 3: Cross multiply
    84,923.42x = 127,384.67 × 21,743.42
  4. Step 4: Simplify right side
    84,923.42x = 2,769,777,635.73
  5. Step 5: Solve for x
    x = 2,769,777,635.73/84,923.42
  6. Step 6: Final answer
    x = 32,615.01

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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.