Home / 34,620.69-47,776.48-18,705.09

Finding the Fourth Proportional to 34,620.69, 47,776.48 and 18,705.09

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Solution

The fourth proportional to 34,620.69, 47,776.48 and 18,705.09 is: 25,812.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,620.69 : 47,776.48 = 18,705.09 : x
  2. Step 2: Convert to fraction form
    34,620.69/47,776.48 = 18,705.09/x
  3. Step 3: Cross multiply
    34,620.69x = 47,776.48 × 18,705.09
  4. Step 4: Simplify right side
    34,620.69x = 893,663,358.28
  5. Step 5: Solve for x
    x = 893,663,358.28/34,620.69
  6. Step 6: Final answer
    x = 25,812.99

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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.