Home / 38,778.40-53,519.23-23,667.92

Finding the Fourth Proportional to 38,778.40, 53,519.23 and 23,667.92

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Solution

The fourth proportional to 38,778.40, 53,519.23 and 23,667.92 is: 32,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,778.40 : 53,519.23 = 23,667.92 : x
  2. Step 2: Convert to fraction form
    38,778.40/53,519.23 = 23,667.92/x
  3. Step 3: Cross multiply
    38,778.40x = 53,519.23 × 23,667.92
  4. Step 4: Simplify right side
    38,778.40x = 1,266,688,854.10
  5. Step 5: Solve for x
    x = 1,266,688,854.10/38,778.40
  6. Step 6: Final answer
    x = 32,664.80

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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.