Home / 55,943.60-83,929.86-20,883.56

Finding the Fourth Proportional to 55,943.60, 83,929.86 and 20,883.56

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Solution

The fourth proportional to 55,943.60, 83,929.86 and 20,883.56 is: 31,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.60 : 83,929.86 = 20,883.56 : x
  2. Step 2: Convert to fraction form
    55,943.60/83,929.86 = 20,883.56/x
  3. Step 3: Cross multiply
    55,943.60x = 83,929.86 × 20,883.56
  4. Step 4: Simplify right side
    55,943.60x = 1,752,754,267.10
  5. Step 5: Solve for x
    x = 1,752,754,267.10/55,943.60
  6. Step 6: Final answer
    x = 31,330.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.