Home / 39,908.13-55,082.81-23,989.50

Finding the Fourth Proportional to 39,908.13, 55,082.81 and 23,989.50

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Solution

The fourth proportional to 39,908.13, 55,082.81 and 23,989.50 is: 33,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,908.13 : 55,082.81 = 23,989.50 : x
  2. Step 2: Convert to fraction form
    39,908.13/55,082.81 = 23,989.50/x
  3. Step 3: Cross multiply
    39,908.13x = 55,082.81 × 23,989.50
  4. Step 4: Simplify right side
    39,908.13x = 1,321,409,130.47
  5. Step 5: Solve for x
    x = 1,321,409,130.47/39,908.13
  6. Step 6: Final answer
    x = 33,111.28

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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.