Home / 34,556.75-47,670.82-20,207.19

Finding the Fourth Proportional to 34,556.75, 47,670.82 and 20,207.19

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Solution

The fourth proportional to 34,556.75, 47,670.82 and 20,207.19 is: 27,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,556.75 : 47,670.82 = 20,207.19 : x
  2. Step 2: Convert to fraction form
    34,556.75/47,670.82 = 20,207.19/x
  3. Step 3: Cross multiply
    34,556.75x = 47,670.82 × 20,207.19
  4. Step 4: Simplify right side
    34,556.75x = 963,293,317.20
  5. Step 5: Solve for x
    x = 963,293,317.20/34,556.75
  6. Step 6: Final answer
    x = 27,875.69

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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.