Home / 37,442.12-51,670.31-20,446.70

Finding the Fourth Proportional to 37,442.12, 51,670.31 and 20,446.70

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Solution

The fourth proportional to 37,442.12, 51,670.31 and 20,446.70 is: 28,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,442.12 : 51,670.31 = 20,446.70 : x
  2. Step 2: Convert to fraction form
    37,442.12/51,670.31 = 20,446.70/x
  3. Step 3: Cross multiply
    37,442.12x = 51,670.31 × 20,446.70
  4. Step 4: Simplify right side
    37,442.12x = 1,056,486,966.89
  5. Step 5: Solve for x
    x = 1,056,486,966.89/37,442.12
  6. Step 6: Final answer
    x = 28,216.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.