Home / 35,687.61-49,246.95-19,771.11

Finding the Fourth Proportional to 35,687.61, 49,246.95 and 19,771.11

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Solution

The fourth proportional to 35,687.61, 49,246.95 and 19,771.11 is: 27,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.61 : 49,246.95 = 19,771.11 : x
  2. Step 2: Convert to fraction form
    35,687.61/49,246.95 = 19,771.11/x
  3. Step 3: Cross multiply
    35,687.61x = 49,246.95 × 19,771.11
  4. Step 4: Simplify right side
    35,687.61x = 973,666,865.61
  5. Step 5: Solve for x
    x = 973,666,865.61/35,687.61
  6. Step 6: Final answer
    x = 27,283.05

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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.