Home / 56,183.60-84,265.68-21,123.56

Finding the Fourth Proportional to 56,183.60, 84,265.68 and 21,123.56

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Solution

The fourth proportional to 56,183.60, 84,265.68 and 21,123.56 is: 31,681.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,183.60 : 84,265.68 = 21,123.56 : x
  2. Step 2: Convert to fraction form
    56,183.60/84,265.68 = 21,123.56/x
  3. Step 3: Cross multiply
    56,183.60x = 84,265.68 × 21,123.56
  4. Step 4: Simplify right side
    56,183.60x = 1,779,991,147.42
  5. Step 5: Solve for x
    x = 1,779,991,147.42/56,183.60
  6. Step 6: Final answer
    x = 31,681.69

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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.