Home / 31,586.23-43,587.87-19,008.55

Finding the Fourth Proportional to 31,586.23, 43,587.87 and 19,008.55

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Solution

The fourth proportional to 31,586.23, 43,587.87 and 19,008.55 is: 26,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.23 : 43,587.87 = 19,008.55 : x
  2. Step 2: Convert to fraction form
    31,586.23/43,587.87 = 19,008.55/x
  3. Step 3: Cross multiply
    31,586.23x = 43,587.87 × 19,008.55
  4. Step 4: Simplify right side
    31,586.23x = 828,542,206.29
  5. Step 5: Solve for x
    x = 828,542,206.29/31,586.23
  6. Step 6: Final answer
    x = 26,231.12

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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.