Home / 46,932.48-70,409.16-20,278.80

Finding the Fourth Proportional to 46,932.48, 70,409.16 and 20,278.80

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Solution

The fourth proportional to 46,932.48, 70,409.16 and 20,278.80 is: 30,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,932.48 : 70,409.16 = 20,278.80 : x
  2. Step 2: Convert to fraction form
    46,932.48/70,409.16 = 20,278.80/x
  3. Step 3: Cross multiply
    46,932.48x = 70,409.16 × 20,278.80
  4. Step 4: Simplify right side
    46,932.48x = 1,427,813,273.81
  5. Step 5: Solve for x
    x = 1,427,813,273.81/46,932.48
  6. Step 6: Final answer
    x = 30,422.71

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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.