Home / 35,635.90-49,176.84-19,721.02

Finding the Fourth Proportional to 35,635.90, 49,176.84 and 19,721.02

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Solution

The fourth proportional to 35,635.90, 49,176.84 and 19,721.02 is: 27,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.90 : 49,176.84 = 19,721.02 : x
  2. Step 2: Convert to fraction form
    35,635.90/49,176.84 = 19,721.02/x
  3. Step 3: Cross multiply
    35,635.90x = 49,176.84 × 19,721.02
  4. Step 4: Simplify right side
    35,635.90x = 969,817,445.18
  5. Step 5: Solve for x
    x = 969,817,445.18/35,635.90
  6. Step 6: Final answer
    x = 27,214.62

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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.