Home / 35,757.61-49,346.82-21,607.72

Finding the Fourth Proportional to 35,757.61, 49,346.82 and 21,607.72

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Solution

The fourth proportional to 35,757.61, 49,346.82 and 21,607.72 is: 29,819.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,757.61 : 49,346.82 = 21,607.72 : x
  2. Step 2: Convert to fraction form
    35,757.61/49,346.82 = 21,607.72/x
  3. Step 3: Cross multiply
    35,757.61x = 49,346.82 × 21,607.72
  4. Step 4: Simplify right side
    35,757.61x = 1,066,272,269.45
  5. Step 5: Solve for x
    x = 1,066,272,269.45/35,757.61
  6. Step 6: Final answer
    x = 29,819.45

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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.