Home / 37,972.08-52,401.60-21,205.08

Finding the Fourth Proportional to 37,972.08, 52,401.60 and 21,205.08

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Solution

The fourth proportional to 37,972.08, 52,401.60 and 21,205.08 is: 29,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,972.08 : 52,401.60 = 21,205.08 : x
  2. Step 2: Convert to fraction form
    37,972.08/52,401.60 = 21,205.08/x
  3. Step 3: Cross multiply
    37,972.08x = 52,401.60 × 21,205.08
  4. Step 4: Simplify right side
    37,972.08x = 1,111,180,120.13
  5. Step 5: Solve for x
    x = 1,111,180,120.13/37,972.08
  6. Step 6: Final answer
    x = 29,263.08

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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.