Home / 53,438.64-80,220.06-31,267.92

Finding the Fourth Proportional to 53,438.64, 80,220.06 and 31,267.92

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Solution

The fourth proportional to 53,438.64, 80,220.06 and 31,267.92 is: 46,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,438.64 : 80,220.06 = 31,267.92 : x
  2. Step 2: Convert to fraction form
    53,438.64/80,220.06 = 31,267.92/x
  3. Step 3: Cross multiply
    53,438.64x = 80,220.06 × 31,267.92
  4. Step 4: Simplify right side
    53,438.64x = 2,508,314,418.48
  5. Step 5: Solve for x
    x = 2,508,314,418.48/53,438.64
  6. Step 6: Final answer
    x = 46,938.22

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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.