Home / 55,304.83-83,040.32-31,639.09

Finding the Fourth Proportional to 55,304.83, 83,040.32 and 31,639.09

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Solution

The fourth proportional to 55,304.83, 83,040.32 and 31,639.09 is: 47,506.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304.83 : 83,040.32 = 31,639.09 : x
  2. Step 2: Convert to fraction form
    55,304.83/83,040.32 = 31,639.09/x
  3. Step 3: Cross multiply
    55,304.83x = 83,040.32 × 31,639.09
  4. Step 4: Simplify right side
    55,304.83x = 2,627,320,158.11
  5. Step 5: Solve for x
    x = 2,627,320,158.11/55,304.83
  6. Step 6: Final answer
    x = 47,506.16

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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.