Home / 40,019.13-55,222.79-23,018.85

Finding the Fourth Proportional to 40,019.13, 55,222.79 and 23,018.85

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Solution

The fourth proportional to 40,019.13, 55,222.79 and 23,018.85 is: 31,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,019.13 : 55,222.79 = 23,018.85 : x
  2. Step 2: Convert to fraction form
    40,019.13/55,222.79 = 23,018.85/x
  3. Step 3: Cross multiply
    40,019.13x = 55,222.79 × 23,018.85
  4. Step 4: Simplify right side
    40,019.13x = 1,271,165,004.50
  5. Step 5: Solve for x
    x = 1,271,165,004.50/40,019.13
  6. Step 6: Final answer
    x = 31,763.93

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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.