Home / 40,050.28-55,272.90-23,288.68

Finding the Fourth Proportional to 40,050.28, 55,272.90 and 23,288.68

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Solution

The fourth proportional to 40,050.28, 55,272.90 and 23,288.68 is: 32,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,050.28 : 55,272.90 = 23,288.68 : x
  2. Step 2: Convert to fraction form
    40,050.28/55,272.90 = 23,288.68/x
  3. Step 3: Cross multiply
    40,050.28x = 55,272.90 × 23,288.68
  4. Step 4: Simplify right side
    40,050.28x = 1,287,232,880.77
  5. Step 5: Solve for x
    x = 1,287,232,880.77/40,050.28
  6. Step 6: Final answer
    x = 32,140.42

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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.