Home / 31,224.34-43,074.48-18,474.04

Finding the Fourth Proportional to 31,224.34, 43,074.48 and 18,474.04

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Solution

The fourth proportional to 31,224.34, 43,074.48 and 18,474.04 is: 25,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224.34 : 43,074.48 = 18,474.04 : x
  2. Step 2: Convert to fraction form
    31,224.34/43,074.48 = 18,474.04/x
  3. Step 3: Cross multiply
    31,224.34x = 43,074.48 × 18,474.04
  4. Step 4: Simplify right side
    31,224.34x = 795,759,666.50
  5. Step 5: Solve for x
    x = 795,759,666.50/31,224.34
  6. Step 6: Final answer
    x = 25,485.24

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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.