Home / 55,126-76,073.88-29,975.68

Finding the Fourth Proportional to 55,126, 76,073.88 and 29,975.68

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Solution

The fourth proportional to 55,126, 76,073.88 and 29,975.68 is: 41,366.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,126 : 76,073.88 = 29,975.68 : x
  2. Step 2: Convert to fraction form
    55,126/76,073.88 = 29,975.68/x
  3. Step 3: Cross multiply
    55,126x = 76,073.88 × 29,975.68
  4. Step 4: Simplify right side
    55,126x = 2,280,366,283.24
  5. Step 5: Solve for x
    x = 2,280,366,283.24/55,126
  6. Step 6: Final answer
    x = 41,366.44

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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.