Home / 35,734.79-49,313.25-19,818.90

Finding the Fourth Proportional to 35,734.79, 49,313.25 and 19,818.90

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Solution

The fourth proportional to 35,734.79, 49,313.25 and 19,818.90 is: 27,349.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,734.79 : 49,313.25 = 19,818.90 : x
  2. Step 2: Convert to fraction form
    35,734.79/49,313.25 = 19,818.90/x
  3. Step 3: Cross multiply
    35,734.79x = 49,313.25 × 19,818.90
  4. Step 4: Simplify right side
    35,734.79x = 977,334,370.43
  5. Step 5: Solve for x
    x = 977,334,370.43/35,734.79
  6. Step 6: Final answer
    x = 27,349.66

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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.