Home / 31,000.73-42,784.35-17,570.54

Finding the Fourth Proportional to 31,000.73, 42,784.35 and 17,570.54

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Solution

The fourth proportional to 31,000.73, 42,784.35 and 17,570.54 is: 24,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,000.73 : 42,784.35 = 17,570.54 : x
  2. Step 2: Convert to fraction form
    31,000.73/42,784.35 = 17,570.54/x
  3. Step 3: Cross multiply
    31,000.73x = 42,784.35 × 17,570.54
  4. Step 4: Simplify right side
    31,000.73x = 751,744,133.05
  5. Step 5: Solve for x
    x = 751,744,133.05/31,000.73
  6. Step 6: Final answer
    x = 24,249.24

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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.