Home / 30,854.44-42,579.33-16,707.29

Finding the Fourth Proportional to 30,854.44, 42,579.33 and 16,707.29

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Solution

The fourth proportional to 30,854.44, 42,579.33 and 16,707.29 is: 23,056.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.44 : 42,579.33 = 16,707.29 : x
  2. Step 2: Convert to fraction form
    30,854.44/42,579.33 = 16,707.29/x
  3. Step 3: Cross multiply
    30,854.44x = 42,579.33 × 16,707.29
  4. Step 4: Simplify right side
    30,854.44x = 711,385,001.42
  5. Step 5: Solve for x
    x = 711,385,001.42/30,854.44
  6. Step 6: Final answer
    x = 23,056.16

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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.