Home / 51,587.53-77,403.16-28,186.63

Finding the Fourth Proportional to 51,587.53, 77,403.16 and 28,186.63

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Solution

The fourth proportional to 51,587.53, 77,403.16 and 28,186.63 is: 42,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,587.53 : 77,403.16 = 28,186.63 : x
  2. Step 2: Convert to fraction form
    51,587.53/77,403.16 = 28,186.63/x
  3. Step 3: Cross multiply
    51,587.53x = 77,403.16 × 28,186.63
  4. Step 4: Simplify right side
    51,587.53x = 2,181,734,073.48
  5. Step 5: Solve for x
    x = 2,181,734,073.48/51,587.53
  6. Step 6: Final answer
    x = 42,291.89

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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.