Home / 38,890.40-53,667.36-23,808.20

Finding the Fourth Proportional to 38,890.40, 53,667.36 and 23,808.20

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Solution

The fourth proportional to 38,890.40, 53,667.36 and 23,808.20 is: 32,854.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.40 : 53,667.36 = 23,808.20 : x
  2. Step 2: Convert to fraction form
    38,890.40/53,667.36 = 23,808.20/x
  3. Step 3: Cross multiply
    38,890.40x = 53,667.36 × 23,808.20
  4. Step 4: Simplify right side
    38,890.40x = 1,277,722,972.02
  5. Step 5: Solve for x
    x = 1,277,722,972.02/38,890.40
  6. Step 6: Final answer
    x = 32,854.46

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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.