Home / 51,587.22-77,402.69-28,186.32

Finding the Fourth Proportional to 51,587.22, 77,402.69 and 28,186.32

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Solution

The fourth proportional to 51,587.22, 77,402.69 and 28,186.32 is: 42,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.22 : 77,402.69 = 28,186.32 : x
  2. Step 2: Convert to fraction form
    51,587.22/77,402.69 = 28,186.32/x
  3. Step 3: Cross multiply
    51,587.22x = 77,402.69 × 28,186.32
  4. Step 4: Simplify right side
    51,587.22x = 2,181,696,672.65
  5. Step 5: Solve for x
    x = 2,181,696,672.65/51,587.22
  6. Step 6: Final answer
    x = 42,291.42

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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.