Home / 29,342.86-40,440.27-21,372.46

Finding the Fourth Proportional to 29,342.86, 40,440.27 and 21,372.46

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Solution

The fourth proportional to 29,342.86, 40,440.27 and 21,372.46 is: 29,455.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.86 : 40,440.27 = 21,372.46 : x
  2. Step 2: Convert to fraction form
    29,342.86/40,440.27 = 21,372.46/x
  3. Step 3: Cross multiply
    29,342.86x = 40,440.27 × 21,372.46
  4. Step 4: Simplify right side
    29,342.86x = 864,308,052.96
  5. Step 5: Solve for x
    x = 864,308,052.96/29,342.86
  6. Step 6: Final answer
    x = 29,455.48

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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.