Home / 34,650.51-47,829.99-20,503.32

Finding the Fourth Proportional to 34,650.51, 47,829.99 and 20,503.32

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Solution

The fourth proportional to 34,650.51, 47,829.99 and 20,503.32 is: 28,301.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,650.51 : 47,829.99 = 20,503.32 : x
  2. Step 2: Convert to fraction form
    34,650.51/47,829.99 = 20,503.32/x
  3. Step 3: Cross multiply
    34,650.51x = 47,829.99 × 20,503.32
  4. Step 4: Simplify right side
    34,650.51x = 980,673,590.57
  5. Step 5: Solve for x
    x = 980,673,590.57/34,650.51
  6. Step 6: Final answer
    x = 28,301.85

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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.