Home / 56,433.60-84,590.72-20,872.07

Finding the Fourth Proportional to 56,433.60, 84,590.72 and 20,872.07

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Solution

The fourth proportional to 56,433.60, 84,590.72 and 20,872.07 is: 31,286.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,433.60 : 84,590.72 = 20,872.07 : x
  2. Step 2: Convert to fraction form
    56,433.60/84,590.72 = 20,872.07/x
  3. Step 3: Cross multiply
    56,433.60x = 84,590.72 × 20,872.07
  4. Step 4: Simplify right side
    56,433.60x = 1,765,582,901.88
  5. Step 5: Solve for x
    x = 1,765,582,901.88/56,433.60
  6. Step 6: Final answer
    x = 31,286.02

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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.