Home / 55,972.84-77,243.88-30,822.36

Finding the Fourth Proportional to 55,972.84, 77,243.88 and 30,822.36

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Solution

The fourth proportional to 55,972.84, 77,243.88 and 30,822.36 is: 42,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,972.84 : 77,243.88 = 30,822.36 : x
  2. Step 2: Convert to fraction form
    55,972.84/77,243.88 = 30,822.36/x
  3. Step 3: Cross multiply
    55,972.84x = 77,243.88 × 30,822.36
  4. Step 4: Simplify right side
    55,972.84x = 2,380,838,677.16
  5. Step 5: Solve for x
    x = 2,380,838,677.16/55,972.84
  6. Step 6: Final answer
    x = 42,535.61

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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.