Home / 38,868.66-58,317.57-13,907.70

Finding the Fourth Proportional to 38,868.66, 58,317.57 and 13,907.70

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Solution

The fourth proportional to 38,868.66, 58,317.57 and 13,907.70 is: 20,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,868.66 : 58,317.57 = 13,907.70 : x
  2. Step 2: Convert to fraction form
    38,868.66/58,317.57 = 13,907.70/x
  3. Step 3: Cross multiply
    38,868.66x = 58,317.57 × 13,907.70
  4. Step 4: Simplify right side
    38,868.66x = 811,063,268.29
  5. Step 5: Solve for x
    x = 811,063,268.29/38,868.66
  6. Step 6: Final answer
    x = 20,866.77

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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.