Home / 55,276.76-76,282.18-31,404.74

Finding the Fourth Proportional to 55,276.76, 76,282.18 and 31,404.74

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Solution

The fourth proportional to 55,276.76, 76,282.18 and 31,404.74 is: 43,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.76 : 76,282.18 = 31,404.74 : x
  2. Step 2: Convert to fraction form
    55,276.76/76,282.18 = 31,404.74/x
  3. Step 3: Cross multiply
    55,276.76x = 76,282.18 × 31,404.74
  4. Step 4: Simplify right side
    55,276.76x = 2,395,622,029.53
  5. Step 5: Solve for x
    x = 2,395,622,029.53/55,276.76
  6. Step 6: Final answer
    x = 43,338.69

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1.5x scale

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.