Home / 54,970.02-82,480.95-19,900.26

Finding the Fourth Proportional to 54,970.02, 82,480.95 and 19,900.26

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Solution

The fourth proportional to 54,970.02, 82,480.95 and 19,900.26 is: 29,859.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,970.02 : 82,480.95 = 19,900.26 : x
  2. Step 2: Convert to fraction form
    54,970.02/82,480.95 = 19,900.26/x
  3. Step 3: Cross multiply
    54,970.02x = 82,480.95 × 19,900.26
  4. Step 4: Simplify right side
    54,970.02x = 1,641,392,350.05
  5. Step 5: Solve for x
    x = 1,641,392,350.05/54,970.02
  6. Step 6: Final answer
    x = 29,859.77

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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.