Home / 38,693.85-58,043.54-13,382.87

Finding the Fourth Proportional to 38,693.85, 58,043.54 and 13,382.87

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Solution

The fourth proportional to 38,693.85, 58,043.54 and 13,382.87 is: 20,075.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,693.85 : 58,043.54 = 13,382.87 : x
  2. Step 2: Convert to fraction form
    38,693.85/58,043.54 = 13,382.87/x
  3. Step 3: Cross multiply
    38,693.85x = 58,043.54 × 13,382.87
  4. Step 4: Simplify right side
    38,693.85x = 776,789,144.62
  5. Step 5: Solve for x
    x = 776,789,144.62/38,693.85
  6. Step 6: Final answer
    x = 20,075.26

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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.