Home / 55,274.14-76,280.36-31,404.86

Finding the Fourth Proportional to 55,274.14, 76,280.36 and 31,404.86

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Solution

The fourth proportional to 55,274.14, 76,280.36 and 31,404.86 is: 43,339.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,274.14 : 76,280.36 = 31,404.86 : x
  2. Step 2: Convert to fraction form
    55,274.14/76,280.36 = 31,404.86/x
  3. Step 3: Cross multiply
    55,274.14x = 76,280.36 × 31,404.86
  4. Step 4: Simplify right side
    55,274.14x = 2,395,574,026.55
  5. Step 5: Solve for x
    x = 2,395,574,026.55/55,274.14
  6. Step 6: Final answer
    x = 43,339.87

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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.