Home / 31,280.52-46,803.06-21,938.77

Finding the Fourth Proportional to 31,280.52, 46,803.06 and 21,938.77

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Solution

The fourth proportional to 31,280.52, 46,803.06 and 21,938.77 is: 32,825.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.52 : 46,803.06 = 21,938.77 : x
  2. Step 2: Convert to fraction form
    31,280.52/46,803.06 = 21,938.77/x
  3. Step 3: Cross multiply
    31,280.52x = 46,803.06 × 21,938.77
  4. Step 4: Simplify right side
    31,280.52x = 1,026,801,568.64
  5. Step 5: Solve for x
    x = 1,026,801,568.64/31,280.52
  6. Step 6: Final answer
    x = 32,825.59

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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.