Home / 56,813.74-85,220.60-21,753.39

Finding the Fourth Proportional to 56,813.74, 85,220.60 and 21,753.39

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Solution

The fourth proportional to 56,813.74, 85,220.60 and 21,753.39 is: 32,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,813.74 : 85,220.60 = 21,753.39 : x
  2. Step 2: Convert to fraction form
    56,813.74/85,220.60 = 21,753.39/x
  3. Step 3: Cross multiply
    56,813.74x = 85,220.60 × 21,753.39
  4. Step 4: Simplify right side
    56,813.74x = 1,853,837,002.22
  5. Step 5: Solve for x
    x = 1,853,837,002.22/56,813.74
  6. Step 6: Final answer
    x = 32,630.09

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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.