Home / 34,231.86-47,238.21-20,088.18

Finding the Fourth Proportional to 34,231.86, 47,238.21 and 20,088.18

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Solution

The fourth proportional to 34,231.86, 47,238.21 and 20,088.18 is: 27,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.86 : 47,238.21 = 20,088.18 : x
  2. Step 2: Convert to fraction form
    34,231.86/47,238.21 = 20,088.18/x
  3. Step 3: Cross multiply
    34,231.86x = 47,238.21 × 20,088.18
  4. Step 4: Simplify right side
    34,231.86x = 948,929,665.36
  5. Step 5: Solve for x
    x = 948,929,665.36/34,231.86
  6. Step 6: Final answer
    x = 27,720.66

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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.