Home / 38,919.48-53,710.20-23,017.56

Finding the Fourth Proportional to 38,919.48, 53,710.20 and 23,017.56

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Solution

The fourth proportional to 38,919.48, 53,710.20 and 23,017.56 is: 31,765.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.48 : 53,710.20 = 23,017.56 : x
  2. Step 2: Convert to fraction form
    38,919.48/53,710.20 = 23,017.56/x
  3. Step 3: Cross multiply
    38,919.48x = 53,710.20 × 23,017.56
  4. Step 4: Simplify right side
    38,919.48x = 1,236,277,751.11
  5. Step 5: Solve for x
    x = 1,236,277,751.11/38,919.48
  6. Step 6: Final answer
    x = 31,765.01

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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.