Home / 40,024.67-55,234.22-21,875.76

Finding the Fourth Proportional to 40,024.67, 55,234.22 and 21,875.76

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Solution

The fourth proportional to 40,024.67, 55,234.22 and 21,875.76 is: 30,188.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,024.67 : 55,234.22 = 21,875.76 : x
  2. Step 2: Convert to fraction form
    40,024.67/55,234.22 = 21,875.76/x
  3. Step 3: Cross multiply
    40,024.67x = 55,234.22 × 21,875.76
  4. Step 4: Simplify right side
    40,024.67x = 1,208,290,540.51
  5. Step 5: Solve for x
    x = 1,208,290,540.51/40,024.67
  6. Step 6: Final answer
    x = 30,188.64

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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.