Home / 55,316.46-76,342.56-33,818.78

Finding the Fourth Proportional to 55,316.46, 76,342.56 and 33,818.78

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Solution

The fourth proportional to 55,316.46, 76,342.56 and 33,818.78 is: 46,673.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.46 : 76,342.56 = 33,818.78 : x
  2. Step 2: Convert to fraction form
    55,316.46/76,342.56 = 33,818.78/x
  3. Step 3: Cross multiply
    55,316.46x = 76,342.56 × 33,818.78
  4. Step 4: Simplify right side
    55,316.46x = 2,581,812,241.28
  5. Step 5: Solve for x
    x = 2,581,812,241.28/55,316.46
  6. Step 6: Final answer
    x = 46,673.49

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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.