Home / 30,168.48-41,651.40-19,432.02

Finding the Fourth Proportional to 30,168.48, 41,651.40 and 19,432.02

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Solution

The fourth proportional to 30,168.48, 41,651.40 and 19,432.02 is: 26,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,168.48 : 41,651.40 = 19,432.02 : x
  2. Step 2: Convert to fraction form
    30,168.48/41,651.40 = 19,432.02/x
  3. Step 3: Cross multiply
    30,168.48x = 41,651.40 × 19,432.02
  4. Step 4: Simplify right side
    30,168.48x = 809,370,837.83
  5. Step 5: Solve for x
    x = 809,370,837.83/30,168.48
  6. Step 6: Final answer
    x = 26,828.36

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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.