Home / 38,965.14-58,453.98-13,671.68

Finding the Fourth Proportional to 38,965.14, 58,453.98 and 13,671.68

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Solution

The fourth proportional to 38,965.14, 58,453.98 and 13,671.68 is: 20,509.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.14 : 58,453.98 = 13,671.68 : x
  2. Step 2: Convert to fraction form
    38,965.14/58,453.98 = 13,671.68/x
  3. Step 3: Cross multiply
    38,965.14x = 58,453.98 × 13,671.68
  4. Step 4: Simplify right side
    38,965.14x = 799,164,109.29
  5. Step 5: Solve for x
    x = 799,164,109.29/38,965.14
  6. Step 6: Final answer
    x = 20,509.72

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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.