Home / 31,052.13-42,851.90-16,904.97

Finding the Fourth Proportional to 31,052.13, 42,851.90 and 16,904.97

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Solution

The fourth proportional to 31,052.13, 42,851.90 and 16,904.97 is: 23,328.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,052.13 : 42,851.90 = 16,904.97 : x
  2. Step 2: Convert to fraction form
    31,052.13/42,851.90 = 16,904.97/x
  3. Step 3: Cross multiply
    31,052.13x = 42,851.90 × 16,904.97
  4. Step 4: Simplify right side
    31,052.13x = 724,410,126.21
  5. Step 5: Solve for x
    x = 724,410,126.21/31,052.13
  6. Step 6: Final answer
    x = 23,328.84

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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.