Home / 40,215.63-60,331.30-12,137.97

Finding the Fourth Proportional to 40,215.63, 60,331.30 and 12,137.97

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Solution

The fourth proportional to 40,215.63, 60,331.30 and 12,137.97 is: 18,209.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.63 : 60,331.30 = 12,137.97 : x
  2. Step 2: Convert to fraction form
    40,215.63/60,331.30 = 12,137.97/x
  3. Step 3: Cross multiply
    40,215.63x = 60,331.30 × 12,137.97
  4. Step 4: Simplify right side
    40,215.63x = 732,299,509.46
  5. Step 5: Solve for x
    x = 732,299,509.46/40,215.63
  6. Step 6: Final answer
    x = 18,209.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.