Home / 31,328.55-43,233.45-17,181.48

Finding the Fourth Proportional to 31,328.55, 43,233.45 and 17,181.48

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Solution

The fourth proportional to 31,328.55, 43,233.45 and 17,181.48 is: 23,710.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,328.55 : 43,233.45 = 17,181.48 : x
  2. Step 2: Convert to fraction form
    31,328.55/43,233.45 = 17,181.48/x
  3. Step 3: Cross multiply
    31,328.55x = 43,233.45 × 17,181.48
  4. Step 4: Simplify right side
    31,328.55x = 742,814,656.51
  5. Step 5: Solve for x
    x = 742,814,656.51/31,328.55
  6. Step 6: Final answer
    x = 23,710.47

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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.