Home / 56,103.28-84,169.56-21,043.60

Finding the Fourth Proportional to 56,103.28, 84,169.56 and 21,043.60

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Solution

The fourth proportional to 56,103.28, 84,169.56 and 21,043.60 is: 31,570.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,103.28 : 84,169.56 = 21,043.60 : x
  2. Step 2: Convert to fraction form
    56,103.28/84,169.56 = 21,043.60/x
  3. Step 3: Cross multiply
    56,103.28x = 84,169.56 × 21,043.60
  4. Step 4: Simplify right side
    56,103.28x = 1,771,230,552.82
  5. Step 5: Solve for x
    x = 1,771,230,552.82/56,103.28
  6. Step 6: Final answer
    x = 31,570.89

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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.