Home / 35,734.35-49,311-19,818.21

Finding the Fourth Proportional to 35,734.35, 49,311 and 19,818.21

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Solution

The fourth proportional to 35,734.35, 49,311 and 19,818.21 is: 27,347.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,734.35 : 49,311 = 19,818.21 : x
  2. Step 2: Convert to fraction form
    35,734.35/49,311 = 19,818.21/x
  3. Step 3: Cross multiply
    35,734.35x = 49,311 × 19,818.21
  4. Step 4: Simplify right side
    35,734.35x = 977,255,753.31
  5. Step 5: Solve for x
    x = 977,255,753.31/35,734.35
  6. Step 6: Final answer
    x = 27,347.80

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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.