Home / 39,945.48-55,127.28-22,955.16

Finding the Fourth Proportional to 39,945.48, 55,127.28 and 22,955.16

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Solution

The fourth proportional to 39,945.48, 55,127.28 and 22,955.16 is: 31,679.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,945.48 : 55,127.28 = 22,955.16 : x
  2. Step 2: Convert to fraction form
    39,945.48/55,127.28 = 22,955.16/x
  3. Step 3: Cross multiply
    39,945.48x = 55,127.28 × 22,955.16
  4. Step 4: Simplify right side
    39,945.48x = 1,265,455,532.76
  5. Step 5: Solve for x
    x = 1,265,455,532.76/39,945.48
  6. Step 6: Final answer
    x = 31,679.57

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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.