Home / 55,395.84-76,452.69-31,197.04

Finding the Fourth Proportional to 55,395.84, 76,452.69 and 31,197.04

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Solution

The fourth proportional to 55,395.84, 76,452.69 and 31,197.04 is: 43,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,395.84 : 76,452.69 = 31,197.04 : x
  2. Step 2: Convert to fraction form
    55,395.84/76,452.69 = 31,197.04/x
  3. Step 3: Cross multiply
    55,395.84x = 76,452.69 × 31,197.04
  4. Step 4: Simplify right side
    55,395.84x = 2,385,097,628.04
  5. Step 5: Solve for x
    x = 2,385,097,628.04/55,395.84
  6. Step 6: Final answer
    x = 43,055.54

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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.