Home / 34,602.72-47,751.75-18,687.17

Finding the Fourth Proportional to 34,602.72, 47,751.75 and 18,687.17

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Solution

The fourth proportional to 34,602.72, 47,751.75 and 18,687.17 is: 25,788.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,602.72 : 47,751.75 = 18,687.17 : x
  2. Step 2: Convert to fraction form
    34,602.72/47,751.75 = 18,687.17/x
  3. Step 3: Cross multiply
    34,602.72x = 47,751.75 × 18,687.17
  4. Step 4: Simplify right side
    34,602.72x = 892,345,070.05
  5. Step 5: Solve for x
    x = 892,345,070.05/34,602.72
  6. Step 6: Final answer
    x = 25,788.29

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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.