Home / 30,847.44-42,569.40-16,700.16

Finding the Fourth Proportional to 30,847.44, 42,569.40 and 16,700.16

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Solution

The fourth proportional to 30,847.44, 42,569.40 and 16,700.16 is: 23,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,847.44 : 42,569.40 = 16,700.16 : x
  2. Step 2: Convert to fraction form
    30,847.44/42,569.40 = 16,700.16/x
  3. Step 3: Cross multiply
    30,847.44x = 42,569.40 × 16,700.16
  4. Step 4: Simplify right side
    30,847.44x = 710,915,791.10
  5. Step 5: Solve for x
    x = 710,915,791.10/30,847.44
  6. Step 6: Final answer
    x = 23,046.18

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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.