Home / 42,648.02-63,972.03-21,858.26

Finding the Fourth Proportional to 42,648.02, 63,972.03 and 21,858.26

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Solution

The fourth proportional to 42,648.02, 63,972.03 and 21,858.26 is: 32,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,648.02 : 63,972.03 = 21,858.26 : x
  2. Step 2: Convert to fraction form
    42,648.02/63,972.03 = 21,858.26/x
  3. Step 3: Cross multiply
    42,648.02x = 63,972.03 × 21,858.26
  4. Step 4: Simplify right side
    42,648.02x = 1,398,317,264.47
  5. Step 5: Solve for x
    x = 1,398,317,264.47/42,648.02
  6. Step 6: Final answer
    x = 32,787.39

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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.