Home / 31,583.01-43,586.91-18,157.53

Finding the Fourth Proportional to 31,583.01, 43,586.91 and 18,157.53

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Solution

The fourth proportional to 31,583.01, 43,586.91 and 18,157.53 is: 25,058.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,583.01 : 43,586.91 = 18,157.53 : x
  2. Step 2: Convert to fraction form
    31,583.01/43,586.91 = 18,157.53/x
  3. Step 3: Cross multiply
    31,583.01x = 43,586.91 × 18,157.53
  4. Step 4: Simplify right side
    31,583.01x = 791,430,625.93
  5. Step 5: Solve for x
    x = 791,430,625.93/31,583.01
  6. Step 6: Final answer
    x = 25,058.75

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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.