Home / 56,560.26-78,055.58-31,409.76

Finding the Fourth Proportional to 56,560.26, 78,055.58 and 31,409.76

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Solution

The fourth proportional to 56,560.26, 78,055.58 and 31,409.76 is: 43,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,560.26 : 78,055.58 = 31,409.76 : x
  2. Step 2: Convert to fraction form
    56,560.26/78,055.58 = 31,409.76/x
  3. Step 3: Cross multiply
    56,560.26x = 78,055.58 × 31,409.76
  4. Step 4: Simplify right side
    56,560.26x = 2,451,707,034.46
  5. Step 5: Solve for x
    x = 2,451,707,034.46/56,560.26
  6. Step 6: Final answer
    x = 43,346.81

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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.