Home / 55,603.59-76,732.95-30,453.09

Finding the Fourth Proportional to 55,603.59, 76,732.95 and 30,453.09

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Solution

The fourth proportional to 55,603.59, 76,732.95 and 30,453.09 is: 42,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,603.59 : 76,732.95 = 30,453.09 : x
  2. Step 2: Convert to fraction form
    55,603.59/76,732.95 = 30,453.09/x
  3. Step 3: Cross multiply
    55,603.59x = 76,732.95 × 30,453.09
  4. Step 4: Simplify right side
    55,603.59x = 2,336,755,432.32
  5. Step 5: Solve for x
    x = 2,336,755,432.32/55,603.59
  6. Step 6: Final answer
    x = 42,025.26

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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.