Home / 39,945.53-55,127.51-22,955.28

Finding the Fourth Proportional to 39,945.53, 55,127.51 and 22,955.28

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Solution

The fourth proportional to 39,945.53, 55,127.51 and 22,955.28 is: 31,679.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.53 : 55,127.51 = 22,955.28 : x
  2. Step 2: Convert to fraction form
    39,945.53/55,127.51 = 22,955.28/x
  3. Step 3: Cross multiply
    39,945.53x = 55,127.51 × 22,955.28
  4. Step 4: Simplify right side
    39,945.53x = 1,265,467,312.98
  5. Step 5: Solve for x
    x = 1,265,467,312.98/39,945.53
  6. Step 6: Final answer
    x = 31,679.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.