Home / 38,672.33-58,015.80-12,370.01

Finding the Fourth Proportional to 38,672.33, 58,015.80 and 12,370.01

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Solution

The fourth proportional to 38,672.33, 58,015.80 and 12,370.01 is: 18,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,672.33 : 58,015.80 = 12,370.01 : x
  2. Step 2: Convert to fraction form
    38,672.33/58,015.80 = 12,370.01/x
  3. Step 3: Cross multiply
    38,672.33x = 58,015.80 × 12,370.01
  4. Step 4: Simplify right side
    38,672.33x = 717,656,026.16
  5. Step 5: Solve for x
    x = 717,656,026.16/38,672.33
  6. Step 6: Final answer
    x = 18,557.35

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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.