Home / 40,277.20-60,415.80-25,308.40

Finding the Fourth Proportional to 40,277.20, 60,415.80 and 25,308.40

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Solution

The fourth proportional to 40,277.20, 60,415.80 and 25,308.40 is: 37,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.20 : 60,415.80 = 25,308.40 : x
  2. Step 2: Convert to fraction form
    40,277.20/60,415.80 = 25,308.40/x
  3. Step 3: Cross multiply
    40,277.20x = 60,415.80 × 25,308.40
  4. Step 4: Simplify right side
    40,277.20x = 1,529,027,232.72
  5. Step 5: Solve for x
    x = 1,529,027,232.72/40,277.20
  6. Step 6: Final answer
    x = 37,962.60

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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.