Home / 34,887.06-48,145.41-19,985.94

Finding the Fourth Proportional to 34,887.06, 48,145.41 and 19,985.94

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Solution

The fourth proportional to 34,887.06, 48,145.41 and 19,985.94 is: 27,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.06 : 48,145.41 = 19,985.94 : x
  2. Step 2: Convert to fraction form
    34,887.06/48,145.41 = 19,985.94/x
  3. Step 3: Cross multiply
    34,887.06x = 48,145.41 × 19,985.94
  4. Step 4: Simplify right side
    34,887.06x = 962,231,275.54
  5. Step 5: Solve for x
    x = 962,231,275.54/34,887.06
  6. Step 6: Final answer
    x = 27,581.32

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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.