Home / 53,239.20-79,886.88-40,751.52

Finding the Fourth Proportional to 53,239.20, 79,886.88 and 40,751.52

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Solution

The fourth proportional to 53,239.20, 79,886.88 and 40,751.52 is: 61,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,239.20 : 79,886.88 = 40,751.52 : x
  2. Step 2: Convert to fraction form
    53,239.20/79,886.88 = 40,751.52/x
  3. Step 3: Cross multiply
    53,239.20x = 79,886.88 × 40,751.52
  4. Step 4: Simplify right side
    53,239.20x = 3,255,511,788.06
  5. Step 5: Solve for x
    x = 3,255,511,788.06/53,239.20
  6. Step 6: Final answer
    x = 61,148.77

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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.