Home / 35,736.76-49,319.10-19,821.88

Finding the Fourth Proportional to 35,736.76, 49,319.10 and 19,821.88

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Solution

The fourth proportional to 35,736.76, 49,319.10 and 19,821.88 is: 27,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,736.76 : 49,319.10 = 19,821.88 : x
  2. Step 2: Convert to fraction form
    35,736.76/49,319.10 = 19,821.88/x
  3. Step 3: Cross multiply
    35,736.76x = 49,319.10 × 19,821.88
  4. Step 4: Simplify right side
    35,736.76x = 977,597,281.91
  5. Step 5: Solve for x
    x = 977,597,281.91/35,736.76
  6. Step 6: Final answer
    x = 27,355.51

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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.