Home / 31,585.54-43,603.83-19,652.74

Finding the Fourth Proportional to 31,585.54, 43,603.83 and 19,652.74

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Solution

The fourth proportional to 31,585.54, 43,603.83 and 19,652.74 is: 27,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,585.54 : 43,603.83 = 19,652.74 : x
  2. Step 2: Convert to fraction form
    31,585.54/43,603.83 = 19,652.74/x
  3. Step 3: Cross multiply
    31,585.54x = 43,603.83 × 19,652.74
  4. Step 4: Simplify right side
    31,585.54x = 856,934,733.99
  5. Step 5: Solve for x
    x = 856,934,733.99/31,585.54
  6. Step 6: Final answer
    x = 27,130.60

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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.