Home / 51,823.69-77,727.23-18,537.55

Finding the Fourth Proportional to 51,823.69, 77,727.23 and 18,537.55

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Solution

The fourth proportional to 51,823.69, 77,727.23 and 18,537.55 is: 27,803.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,823.69 : 77,727.23 = 18,537.55 : x
  2. Step 2: Convert to fraction form
    51,823.69/77,727.23 = 18,537.55/x
  3. Step 3: Cross multiply
    51,823.69x = 77,727.23 × 18,537.55
  4. Step 4: Simplify right side
    51,823.69x = 1,440,872,319.80
  5. Step 5: Solve for x
    x = 1,440,872,319.80/51,823.69
  6. Step 6: Final answer
    x = 27,803.35

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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.