Home / 38,348.36-57,539.30-13,406.32

Finding the Fourth Proportional to 38,348.36, 57,539.30 and 13,406.32

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Solution

The fourth proportional to 38,348.36, 57,539.30 and 13,406.32 is: 20,115.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,348.36 : 57,539.30 = 13,406.32 : x
  2. Step 2: Convert to fraction form
    38,348.36/57,539.30 = 13,406.32/x
  3. Step 3: Cross multiply
    38,348.36x = 57,539.30 × 13,406.32
  4. Step 4: Simplify right side
    38,348.36x = 771,389,913.65
  5. Step 5: Solve for x
    x = 771,389,913.65/38,348.36
  6. Step 6: Final answer
    x = 20,115.33

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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.