Home / 38,888.88-58,342.32-19,176.72

Finding the Fourth Proportional to 38,888.88, 58,342.32 and 19,176.72

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Solution

The fourth proportional to 38,888.88, 58,342.32 and 19,176.72 is: 28,769.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.88 : 58,342.32 = 19,176.72 : x
  2. Step 2: Convert to fraction form
    38,888.88/58,342.32 = 19,176.72/x
  3. Step 3: Cross multiply
    38,888.88x = 58,342.32 × 19,176.72
  4. Step 4: Simplify right side
    38,888.88x = 1,118,814,334.79
  5. Step 5: Solve for x
    x = 1,118,814,334.79/38,888.88
  6. Step 6: Final answer
    x = 28,769.52

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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.