Home / 39,927.68-55,082.40-23,150.96

Finding the Fourth Proportional to 39,927.68, 55,082.40 and 23,150.96

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Solution

The fourth proportional to 39,927.68, 55,082.40 and 23,150.96 is: 31,938.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,927.68 : 55,082.40 = 23,150.96 : x
  2. Step 2: Convert to fraction form
    39,927.68/55,082.40 = 23,150.96/x
  3. Step 3: Cross multiply
    39,927.68x = 55,082.40 × 23,150.96
  4. Step 4: Simplify right side
    39,927.68x = 1,275,210,439.10
  5. Step 5: Solve for x
    x = 1,275,210,439.10/39,927.68
  6. Step 6: Final answer
    x = 31,938.00

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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.