Home / 56,219.60-84,329.40-21,167.12

Finding the Fourth Proportional to 56,219.60, 84,329.40 and 21,167.12

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Solution

The fourth proportional to 56,219.60, 84,329.40 and 21,167.12 is: 31,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,219.60 : 84,329.40 = 21,167.12 : x
  2. Step 2: Convert to fraction form
    56,219.60/84,329.40 = 21,167.12/x
  3. Step 3: Cross multiply
    56,219.60x = 84,329.40 × 21,167.12
  4. Step 4: Simplify right side
    56,219.60x = 1,785,010,529.33
  5. Step 5: Solve for x
    x = 1,785,010,529.33/56,219.60
  6. Step 6: Final answer
    x = 31,750.68

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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.