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Finding the Fourth Proportional to 40,337.25, 60,509.07 and 12,259.74

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Solution

The fourth proportional to 40,337.25, 60,509.07 and 12,259.74 is: 18,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,337.25 : 60,509.07 = 12,259.74 : x
  2. Step 2: Convert to fraction form
    40,337.25/60,509.07 = 12,259.74/x
  3. Step 3: Cross multiply
    40,337.25x = 60,509.07 × 12,259.74
  4. Step 4: Simplify right side
    40,337.25x = 741,825,465.84
  5. Step 5: Solve for x
    x = 741,825,465.84/40,337.25
  6. Step 6: Final answer
    x = 18,390.58

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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.