Home / 38,883.72-58,327.38-12,590.52

Finding the Fourth Proportional to 38,883.72, 58,327.38 and 12,590.52

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Solution

The fourth proportional to 38,883.72, 58,327.38 and 12,590.52 is: 18,886.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,883.72 : 58,327.38 = 12,590.52 : x
  2. Step 2: Convert to fraction form
    38,883.72/58,327.38 = 12,590.52/x
  3. Step 3: Cross multiply
    38,883.72x = 58,327.38 × 12,590.52
  4. Step 4: Simplify right side
    38,883.72x = 734,372,044.44
  5. Step 5: Solve for x
    x = 734,372,044.44/38,883.72
  6. Step 6: Final answer
    x = 18,886.36

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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.