Home / 73,036.34-109,560.89-20,445.97

Finding the Fourth Proportional to 73,036.34, 109,560.89 and 20,445.97

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Solution

The fourth proportional to 73,036.34, 109,560.89 and 20,445.97 is: 30,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,036.34 : 109,560.89 = 20,445.97 : x
  2. Step 2: Convert to fraction form
    73,036.34/109,560.89 = 20,445.97/x
  3. Step 3: Cross multiply
    73,036.34x = 109,560.89 × 20,445.97
  4. Step 4: Simplify right side
    73,036.34x = 2,240,078,670.11
  5. Step 5: Solve for x
    x = 2,240,078,670.11/73,036.34
  6. Step 6: Final answer
    x = 30,670.74

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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.