Home / 40,152.18-55,409.28-22,247.12

Finding the Fourth Proportional to 40,152.18, 55,409.28 and 22,247.12

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Solution

The fourth proportional to 40,152.18, 55,409.28 and 22,247.12 is: 30,700.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,152.18 : 55,409.28 = 22,247.12 : x
  2. Step 2: Convert to fraction form
    40,152.18/55,409.28 = 22,247.12/x
  3. Step 3: Cross multiply
    40,152.18x = 55,409.28 × 22,247.12
  4. Step 4: Simplify right side
    40,152.18x = 1,232,696,901.27
  5. Step 5: Solve for x
    x = 1,232,696,901.27/40,152.18
  6. Step 6: Final answer
    x = 30,700.62

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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.