Home / 34,628.91-47,788.83-21,199.92

Finding the Fourth Proportional to 34,628.91, 47,788.83 and 21,199.92

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Solution

The fourth proportional to 34,628.91, 47,788.83 and 21,199.92 is: 29,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,628.91 : 47,788.83 = 21,199.92 : x
  2. Step 2: Convert to fraction form
    34,628.91/47,788.83 = 21,199.92/x
  3. Step 3: Cross multiply
    34,628.91x = 47,788.83 × 21,199.92
  4. Step 4: Simplify right side
    34,628.91x = 1,013,119,372.89
  5. Step 5: Solve for x
    x = 1,013,119,372.89/34,628.91
  6. Step 6: Final answer
    x = 29,256.46

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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.