Home / 34,887.95-48,154.19-19,789.61

Finding the Fourth Proportional to 34,887.95, 48,154.19 and 19,789.61

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Solution

The fourth proportional to 34,887.95, 48,154.19 and 19,789.61 is: 27,314.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.95 : 48,154.19 = 19,789.61 : x
  2. Step 2: Convert to fraction form
    34,887.95/48,154.19 = 19,789.61/x
  3. Step 3: Cross multiply
    34,887.95x = 48,154.19 × 19,789.61
  4. Step 4: Simplify right side
    34,887.95x = 952,952,300.25
  5. Step 5: Solve for x
    x = 952,952,300.25/34,887.95
  6. Step 6: Final answer
    x = 27,314.66

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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.