Home / 73,001.48-109,506.40-20,410.88

Finding the Fourth Proportional to 73,001.48, 109,506.40 and 20,410.88

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Solution

The fourth proportional to 73,001.48, 109,506.40 and 20,410.88 is: 30,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001.48 : 109,506.40 = 20,410.88 : x
  2. Step 2: Convert to fraction form
    73,001.48/109,506.40 = 20,410.88/x
  3. Step 3: Cross multiply
    73,001.48x = 109,506.40 × 20,410.88
  4. Step 4: Simplify right side
    73,001.48x = 2,235,121,989.63
  5. Step 5: Solve for x
    x = 2,235,121,989.63/73,001.48
  6. Step 6: Final answer
    x = 30,617.49

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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.