Home / 38,783.72-58,167.32-17,717.76

Finding the Fourth Proportional to 38,783.72, 58,167.32 and 17,717.76

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Solution

The fourth proportional to 38,783.72, 58,167.32 and 17,717.76 is: 26,572.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,783.72 : 58,167.32 = 17,717.76 : x
  2. Step 2: Convert to fraction form
    38,783.72/58,167.32 = 17,717.76/x
  3. Step 3: Cross multiply
    38,783.72x = 58,167.32 × 17,717.76
  4. Step 4: Simplify right side
    38,783.72x = 1,030,594,615.60
  5. Step 5: Solve for x
    x = 1,030,594,615.60/38,783.72
  6. Step 6: Final answer
    x = 26,572.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.