Home / 40,021.08-60,017.22-13,718.76

Finding the Fourth Proportional to 40,021.08, 60,017.22 and 13,718.76

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Solution

The fourth proportional to 40,021.08, 60,017.22 and 13,718.76 is: 20,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.08 : 60,017.22 = 13,718.76 : x
  2. Step 2: Convert to fraction form
    40,021.08/60,017.22 = 13,718.76/x
  3. Step 3: Cross multiply
    40,021.08x = 60,017.22 × 13,718.76
  4. Step 4: Simplify right side
    40,021.08x = 823,361,837.05
  5. Step 5: Solve for x
    x = 823,361,837.05/40,021.08
  6. Step 6: Final answer
    x = 20,573.20

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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.