Home / 61,257.02-91,866.08-19,694.30

Finding the Fourth Proportional to 61,257.02, 91,866.08 and 19,694.30

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Solution

The fourth proportional to 61,257.02, 91,866.08 and 19,694.30 is: 29,535.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,257.02 : 91,866.08 = 19,694.30 : x
  2. Step 2: Convert to fraction form
    61,257.02/91,866.08 = 19,694.30/x
  3. Step 3: Cross multiply
    61,257.02x = 91,866.08 × 19,694.30
  4. Step 4: Simplify right side
    61,257.02x = 1,809,237,581.54
  5. Step 5: Solve for x
    x = 1,809,237,581.54/61,257.02
  6. Step 6: Final answer
    x = 29,535.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.