Home / 56,561.04-78,054.36-31,410.54

Finding the Fourth Proportional to 56,561.04, 78,054.36 and 31,410.54

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Solution

The fourth proportional to 56,561.04, 78,054.36 and 31,410.54 is: 43,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,561.04 : 78,054.36 = 31,410.54 : x
  2. Step 2: Convert to fraction form
    56,561.04/78,054.36 = 31,410.54/x
  3. Step 3: Cross multiply
    56,561.04x = 78,054.36 × 31,410.54
  4. Step 4: Simplify right side
    56,561.04x = 2,451,729,596.95
  5. Step 5: Solve for x
    x = 2,451,729,596.95/56,561.04
  6. Step 6: Final answer
    x = 43,346.61

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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.