Home / 38,740.37-58,110.38-13,781.35

Finding the Fourth Proportional to 38,740.37, 58,110.38 and 13,781.35

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Solution

The fourth proportional to 38,740.37, 58,110.38 and 13,781.35 is: 20,671.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,740.37 : 58,110.38 = 13,781.35 : x
  2. Step 2: Convert to fraction form
    38,740.37/58,110.38 = 13,781.35/x
  3. Step 3: Cross multiply
    38,740.37x = 58,110.38 × 13,781.35
  4. Step 4: Simplify right side
    38,740.37x = 800,839,271.23
  5. Step 5: Solve for x
    x = 800,839,271.23/38,740.37
  6. Step 6: Final answer
    x = 20,671.96

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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.