Home / 55,483.38-76,563.81-31,606.74

Finding the Fourth Proportional to 55,483.38, 76,563.81 and 31,606.74

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Solution

The fourth proportional to 55,483.38, 76,563.81 and 31,606.74 is: 43,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,483.38 : 76,563.81 = 31,606.74 : x
  2. Step 2: Convert to fraction form
    55,483.38/76,563.81 = 31,606.74/x
  3. Step 3: Cross multiply
    55,483.38x = 76,563.81 × 31,606.74
  4. Step 4: Simplify right side
    55,483.38x = 2,419,932,436.08
  5. Step 5: Solve for x
    x = 2,419,932,436.08/55,483.38
  6. Step 6: Final answer
    x = 43,615.45

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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.