Home / 56,679.76-84,953.22-30,403.36

Finding the Fourth Proportional to 56,679.76, 84,953.22 and 30,403.36

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Solution

The fourth proportional to 56,679.76, 84,953.22 and 30,403.36 is: 45,569.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,679.76 : 84,953.22 = 30,403.36 : x
  2. Step 2: Convert to fraction form
    56,679.76/84,953.22 = 30,403.36/x
  3. Step 3: Cross multiply
    56,679.76x = 84,953.22 × 30,403.36
  4. Step 4: Simplify right side
    56,679.76x = 2,582,863,330.82
  5. Step 5: Solve for x
    x = 2,582,863,330.82/56,679.76
  6. Step 6: Final answer
    x = 45,569.41

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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.