Home / 38,645.58-57,966.84-13,684.62

Finding the Fourth Proportional to 38,645.58, 57,966.84 and 13,684.62

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Solution

The fourth proportional to 38,645.58, 57,966.84 and 13,684.62 is: 20,526.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,645.58 : 57,966.84 = 13,684.62 : x
  2. Step 2: Convert to fraction form
    38,645.58/57,966.84 = 13,684.62/x
  3. Step 3: Cross multiply
    38,645.58x = 57,966.84 × 13,684.62
  4. Step 4: Simplify right side
    38,645.58x = 793,254,178.00
  5. Step 5: Solve for x
    x = 793,254,178.00/38,645.58
  6. Step 6: Final answer
    x = 20,526.39

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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.