Home / 37,985.04-52,418.34-21,218.04

Finding the Fourth Proportional to 37,985.04, 52,418.34 and 21,218.04

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Solution

The fourth proportional to 37,985.04, 52,418.34 and 21,218.04 is: 29,280.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,985.04 : 52,418.34 = 21,218.04 : x
  2. Step 2: Convert to fraction form
    37,985.04/52,418.34 = 21,218.04/x
  3. Step 3: Cross multiply
    37,985.04x = 52,418.34 × 21,218.04
  4. Step 4: Simplify right side
    37,985.04x = 1,112,214,434.85
  5. Step 5: Solve for x
    x = 1,112,214,434.85/37,985.04
  6. Step 6: Final answer
    x = 29,280.33

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1.5x scale

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.