Home / 29,430.02-40,573.68-19,982.18

Finding the Fourth Proportional to 29,430.02, 40,573.68 and 19,982.18

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Solution

The fourth proportional to 29,430.02, 40,573.68 and 19,982.18 is: 27,548.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,430.02 : 40,573.68 = 19,982.18 : x
  2. Step 2: Convert to fraction form
    29,430.02/40,573.68 = 19,982.18/x
  3. Step 3: Cross multiply
    29,430.02x = 40,573.68 × 19,982.18
  4. Step 4: Simplify right side
    29,430.02x = 810,750,577.02
  5. Step 5: Solve for x
    x = 810,750,577.02/29,430.02
  6. Step 6: Final answer
    x = 27,548.42

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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.