Home / 31,858.02-43,965.20-17,518.95

Finding the Fourth Proportional to 31,858.02, 43,965.20 and 17,518.95

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Solution

The fourth proportional to 31,858.02, 43,965.20 and 17,518.95 is: 24,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,858.02 : 43,965.20 = 17,518.95 : x
  2. Step 2: Convert to fraction form
    31,858.02/43,965.20 = 17,518.95/x
  3. Step 3: Cross multiply
    31,858.02x = 43,965.20 × 17,518.95
  4. Step 4: Simplify right side
    31,858.02x = 770,224,052.95
  5. Step 5: Solve for x
    x = 770,224,052.95/31,858.02
  6. Step 6: Final answer
    x = 24,176.77

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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.