Home / 38,886.13-58,340.54-12,590.29

Finding the Fourth Proportional to 38,886.13, 58,340.54 and 12,590.29

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Solution

The fourth proportional to 38,886.13, 58,340.54 and 12,590.29 is: 18,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,886.13 : 58,340.54 = 12,590.29 : x
  2. Step 2: Convert to fraction form
    38,886.13/58,340.54 = 12,590.29/x
  3. Step 3: Cross multiply
    38,886.13x = 58,340.54 × 12,590.29
  4. Step 4: Simplify right side
    38,886.13x = 734,524,317.36
  5. Step 5: Solve for x
    x = 734,524,317.36/38,886.13
  6. Step 6: Final answer
    x = 18,889.11

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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.