Home / 45,228.83-67,837.32-11,951.39

Finding the Fourth Proportional to 45,228.83, 67,837.32 and 11,951.39

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Solution

The fourth proportional to 45,228.83, 67,837.32 and 11,951.39 is: 17,925.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.83 : 67,837.32 = 11,951.39 : x
  2. Step 2: Convert to fraction form
    45,228.83/67,837.32 = 11,951.39/x
  3. Step 3: Cross multiply
    45,228.83x = 67,837.32 × 11,951.39
  4. Step 4: Simplify right side
    45,228.83x = 810,750,437.47
  5. Step 5: Solve for x
    x = 810,750,437.47/45,228.83
  6. Step 6: Final answer
    x = 17,925.53

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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.