Home / 53,260.47-79,876.88-15,811.74

Finding the Fourth Proportional to 53,260.47, 79,876.88 and 15,811.74

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Solution

The fourth proportional to 53,260.47, 79,876.88 and 15,811.74 is: 23,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,260.47 : 79,876.88 = 15,811.74 : x
  2. Step 2: Convert to fraction form
    53,260.47/79,876.88 = 15,811.74/x
  3. Step 3: Cross multiply
    53,260.47x = 79,876.88 × 15,811.74
  4. Step 4: Simplify right side
    53,260.47x = 1,262,992,379.51
  5. Step 5: Solve for x
    x = 1,262,992,379.51/53,260.47
  6. Step 6: Final answer
    x = 23,713.50

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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.