Home / 38,975.37-58,465.14-12,319.34

Finding the Fourth Proportional to 38,975.37, 58,465.14 and 12,319.34

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Solution

The fourth proportional to 38,975.37, 58,465.14 and 12,319.34 is: 18,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,975.37 : 58,465.14 = 12,319.34 : x
  2. Step 2: Convert to fraction form
    38,975.37/58,465.14 = 12,319.34/x
  3. Step 3: Cross multiply
    38,975.37x = 58,465.14 × 12,319.34
  4. Step 4: Simplify right side
    38,975.37x = 720,251,645.48
  5. Step 5: Solve for x
    x = 720,251,645.48/38,975.37
  6. Step 6: Final answer
    x = 18,479.66

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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.