Home / 35,731.28-49,310.76-19,814.66

Finding the Fourth Proportional to 35,731.28, 49,310.76 and 19,814.66

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Solution

The fourth proportional to 35,731.28, 49,310.76 and 19,814.66 is: 27,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.28 : 49,310.76 = 19,814.66 : x
  2. Step 2: Convert to fraction form
    35,731.28/49,310.76 = 19,814.66/x
  3. Step 3: Cross multiply
    35,731.28x = 49,310.76 × 19,814.66
  4. Step 4: Simplify right side
    35,731.28x = 977,075,943.74
  5. Step 5: Solve for x
    x = 977,075,943.74/35,731.28
  6. Step 6: Final answer
    x = 27,345.11

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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.