Home / 31,269.04-43,150.40-17,840.02

Finding the Fourth Proportional to 31,269.04, 43,150.40 and 17,840.02

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Solution

The fourth proportional to 31,269.04, 43,150.40 and 17,840.02 is: 24,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,269.04 : 43,150.40 = 17,840.02 : x
  2. Step 2: Convert to fraction form
    31,269.04/43,150.40 = 17,840.02/x
  3. Step 3: Cross multiply
    31,269.04x = 43,150.40 × 17,840.02
  4. Step 4: Simplify right side
    31,269.04x = 769,803,999.01
  5. Step 5: Solve for x
    x = 769,803,999.01/31,269.04
  6. Step 6: Final answer
    x = 24,618.73

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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.