Home / 40,018.11-55,225.65-22,113.10

Finding the Fourth Proportional to 40,018.11, 55,225.65 and 22,113.10

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Solution

The fourth proportional to 40,018.11, 55,225.65 and 22,113.10 is: 30,516.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,018.11 : 55,225.65 = 22,113.10 : x
  2. Step 2: Convert to fraction form
    40,018.11/55,225.65 = 22,113.10/x
  3. Step 3: Cross multiply
    40,018.11x = 55,225.65 × 22,113.10
  4. Step 4: Simplify right side
    40,018.11x = 1,221,210,321.02
  5. Step 5: Solve for x
    x = 1,221,210,321.02/40,018.11
  6. Step 6: Final answer
    x = 30,516.44

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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.