Home / 53,319.59-79,976.95-17,778.41

Finding the Fourth Proportional to 53,319.59, 79,976.95 and 17,778.41

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Solution

The fourth proportional to 53,319.59, 79,976.95 and 17,778.41 is: 26,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,319.59 : 79,976.95 = 17,778.41 : x
  2. Step 2: Convert to fraction form
    53,319.59/79,976.95 = 17,778.41/x
  3. Step 3: Cross multiply
    53,319.59x = 79,976.95 × 17,778.41
  4. Step 4: Simplify right side
    53,319.59x = 1,421,863,007.65
  5. Step 5: Solve for x
    x = 1,421,863,007.65/53,319.59
  6. Step 6: Final answer
    x = 26,666.80

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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.