Home / 38,889.60-53,667.54-22,122.60

Finding the Fourth Proportional to 38,889.60, 53,667.54 and 22,122.60

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Solution

The fourth proportional to 38,889.60, 53,667.54 and 22,122.60 is: 30,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,889.60 : 53,667.54 = 22,122.60 : x
  2. Step 2: Convert to fraction form
    38,889.60/53,667.54 = 22,122.60/x
  3. Step 3: Cross multiply
    38,889.60x = 53,667.54 × 22,122.60
  4. Step 4: Simplify right side
    38,889.60x = 1,187,265,520.40
  5. Step 5: Solve for x
    x = 1,187,265,520.40/38,889.60
  6. Step 6: Final answer
    x = 30,529.13

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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.