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Finding the Fourth Proportional to 35,751.60, 49,343.13 and 19,841.16

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Solution

The fourth proportional to 35,751.60, 49,343.13 and 19,841.16 is: 27,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,751.60 : 49,343.13 = 19,841.16 : x
  2. Step 2: Convert to fraction form
    35,751.60/49,343.13 = 19,841.16/x
  3. Step 3: Cross multiply
    35,751.60x = 49,343.13 × 19,841.16
  4. Step 4: Simplify right side
    35,751.60x = 979,024,937.23
  5. Step 5: Solve for x
    x = 979,024,937.23/35,751.60
  6. Step 6: Final answer
    x = 27,384.09

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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.