Home / 38,821.34-58,244.32-13,860.86

Finding the Fourth Proportional to 38,821.34, 58,244.32 and 13,860.86

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Solution

The fourth proportional to 38,821.34, 58,244.32 and 13,860.86 is: 20,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.34 : 58,244.32 = 13,860.86 : x
  2. Step 2: Convert to fraction form
    38,821.34/58,244.32 = 13,860.86/x
  3. Step 3: Cross multiply
    38,821.34x = 58,244.32 × 13,860.86
  4. Step 4: Simplify right side
    38,821.34x = 807,316,365.32
  5. Step 5: Solve for x
    x = 807,316,365.32/38,821.34
  6. Step 6: Final answer
    x = 20,795.69

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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.