Home / 56,186.28-77,536.83-31,035.78

Finding the Fourth Proportional to 56,186.28, 77,536.83 and 31,035.78

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Solution

The fourth proportional to 56,186.28, 77,536.83 and 31,035.78 is: 42,829.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,186.28 : 77,536.83 = 31,035.78 : x
  2. Step 2: Convert to fraction form
    56,186.28/77,536.83 = 31,035.78/x
  3. Step 3: Cross multiply
    56,186.28x = 77,536.83 × 31,035.78
  4. Step 4: Simplify right side
    56,186.28x = 2,406,415,997.78
  5. Step 5: Solve for x
    x = 2,406,415,997.78/56,186.28
  6. Step 6: Final answer
    x = 42,829.25

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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.