Home / 55,028.63-75,943.71-31,158.88

Finding the Fourth Proportional to 55,028.63, 75,943.71 and 31,158.88

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Solution

The fourth proportional to 55,028.63, 75,943.71 and 31,158.88 is: 43,001.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,028.63 : 75,943.71 = 31,158.88 : x
  2. Step 2: Convert to fraction form
    55,028.63/75,943.71 = 31,158.88/x
  3. Step 3: Cross multiply
    55,028.63x = 75,943.71 × 31,158.88
  4. Step 4: Simplify right side
    55,028.63x = 2,366,320,756.79
  5. Step 5: Solve for x
    x = 2,366,320,756.79/55,028.63
  6. Step 6: Final answer
    x = 43,001.63

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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.