Home / 81,001.76-121,506.32-24,837.76

Finding the Fourth Proportional to 81,001.76, 121,506.32 and 24,837.76

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Solution

The fourth proportional to 81,001.76, 121,506.32 and 24,837.76 is: 37,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,001.76 : 121,506.32 = 24,837.76 : x
  2. Step 2: Convert to fraction form
    81,001.76/121,506.32 = 24,837.76/x
  3. Step 3: Cross multiply
    81,001.76x = 121,506.32 × 24,837.76
  4. Step 4: Simplify right side
    81,001.76x = 3,017,944,814.64
  5. Step 5: Solve for x
    x = 3,017,944,814.64/81,001.76
  6. Step 6: Final answer
    x = 37,257.77

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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.