Home / 38,732.58-53,438.77-21,734.32

Finding the Fourth Proportional to 38,732.58, 53,438.77 and 21,734.32

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Solution

The fourth proportional to 38,732.58, 53,438.77 and 21,734.32 is: 29,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732.58 : 53,438.77 = 21,734.32 : x
  2. Step 2: Convert to fraction form
    38,732.58/53,438.77 = 21,734.32/x
  3. Step 3: Cross multiply
    38,732.58x = 53,438.77 × 21,734.32
  4. Step 4: Simplify right side
    38,732.58x = 1,161,455,327.59
  5. Step 5: Solve for x
    x = 1,161,455,327.59/38,732.58
  6. Step 6: Final answer
    x = 29,986.52

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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.