Home / 56,028.07-77,318.74-30,534.44

Finding the Fourth Proportional to 56,028.07, 77,318.74 and 30,534.44

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Solution

The fourth proportional to 56,028.07, 77,318.74 and 30,534.44 is: 42,137.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,028.07 : 77,318.74 = 30,534.44 : x
  2. Step 2: Convert to fraction form
    56,028.07/77,318.74 = 30,534.44/x
  3. Step 3: Cross multiply
    56,028.07x = 77,318.74 × 30,534.44
  4. Step 4: Simplify right side
    56,028.07x = 2,360,884,040.81
  5. Step 5: Solve for x
    x = 2,360,884,040.81/56,028.07
  6. Step 6: Final answer
    x = 42,137.53

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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.