Home / 51,648.82-77,442.26-17,903.68

Finding the Fourth Proportional to 51,648.82, 77,442.26 and 17,903.68

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Solution

The fourth proportional to 51,648.82, 77,442.26 and 17,903.68 is: 26,844.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,648.82 : 77,442.26 = 17,903.68 : x
  2. Step 2: Convert to fraction form
    51,648.82/77,442.26 = 17,903.68/x
  3. Step 3: Cross multiply
    51,648.82x = 77,442.26 × 17,903.68
  4. Step 4: Simplify right side
    51,648.82x = 1,386,501,441.52
  5. Step 5: Solve for x
    x = 1,386,501,441.52/51,648.82
  6. Step 6: Final answer
    x = 26,844.78

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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.