Home / 55,029.92-75,943.84-31,153.44

Finding the Fourth Proportional to 55,029.92, 75,943.84 and 31,153.44

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Solution

The fourth proportional to 55,029.92, 75,943.84 and 31,153.44 is: 42,993.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,029.92 : 75,943.84 = 31,153.44 : x
  2. Step 2: Convert to fraction form
    55,029.92/75,943.84 = 31,153.44/x
  3. Step 3: Cross multiply
    55,029.92x = 75,943.84 × 31,153.44
  4. Step 4: Simplify right side
    55,029.92x = 2,365,911,862.81
  5. Step 5: Solve for x
    x = 2,365,911,862.81/55,029.92
  6. Step 6: Final answer
    x = 42,993.19

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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.