Home / 56,335.45-77,741.76-30,841.21

Finding the Fourth Proportional to 56,335.45, 77,741.76 and 30,841.21

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Solution

The fourth proportional to 56,335.45, 77,741.76 and 30,841.21 is: 42,560.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,335.45 : 77,741.76 = 30,841.21 : x
  2. Step 2: Convert to fraction form
    56,335.45/77,741.76 = 30,841.21/x
  3. Step 3: Cross multiply
    56,335.45x = 77,741.76 × 30,841.21
  4. Step 4: Simplify right side
    56,335.45x = 2,397,649,945.93
  5. Step 5: Solve for x
    x = 2,397,649,945.93/56,335.45
  6. Step 6: Final answer
    x = 42,560.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.