Home / 38,135.37-52,624.31-21,365.13

Finding the Fourth Proportional to 38,135.37, 52,624.31 and 21,365.13

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Solution

The fourth proportional to 38,135.37, 52,624.31 and 21,365.13 is: 29,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.37 : 52,624.31 = 21,365.13 : x
  2. Step 2: Convert to fraction form
    38,135.37/52,624.31 = 21,365.13/x
  3. Step 3: Cross multiply
    38,135.37x = 52,624.31 × 21,365.13
  4. Step 4: Simplify right side
    38,135.37x = 1,124,325,117.48
  5. Step 5: Solve for x
    x = 1,124,325,117.48/38,135.37
  6. Step 6: Final answer
    x = 29,482.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.