Home / 61,020-84,214.08-35,890.56

Finding the Fourth Proportional to 61,020, 84,214.08 and 35,890.56

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Solution

The fourth proportional to 61,020, 84,214.08 and 35,890.56 is: 49,532.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,020 : 84,214.08 = 35,890.56 : x
  2. Step 2: Convert to fraction form
    61,020/84,214.08 = 35,890.56/x
  3. Step 3: Cross multiply
    61,020x = 84,214.08 × 35,890.56
  4. Step 4: Simplify right side
    61,020x = 3,022,490,491.08
  5. Step 5: Solve for x
    x = 3,022,490,491.08/61,020
  6. Step 6: Final answer
    x = 49,532.78

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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.