Home / 34,217.06-47,218.21-21,477.08

Finding the Fourth Proportional to 34,217.06, 47,218.21 and 21,477.08

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Solution

The fourth proportional to 34,217.06, 47,218.21 and 21,477.08 is: 29,637.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,217.06 : 47,218.21 = 21,477.08 : x
  2. Step 2: Convert to fraction form
    34,217.06/47,218.21 = 21,477.08/x
  3. Step 3: Cross multiply
    34,217.06x = 47,218.21 × 21,477.08
  4. Step 4: Simplify right side
    34,217.06x = 1,014,109,337.98
  5. Step 5: Solve for x
    x = 1,014,109,337.98/34,217.06
  6. Step 6: Final answer
    x = 29,637.54

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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.