Home / 38,114.32-52,597.36-21,118.72

Finding the Fourth Proportional to 38,114.32, 52,597.36 and 21,118.72

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Solution

The fourth proportional to 38,114.32, 52,597.36 and 21,118.72 is: 29,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,114.32 : 52,597.36 = 21,118.72 : x
  2. Step 2: Convert to fraction form
    38,114.32/52,597.36 = 21,118.72/x
  3. Step 3: Cross multiply
    38,114.32x = 52,597.36 × 21,118.72
  4. Step 4: Simplify right side
    38,114.32x = 1,110,788,918.58
  5. Step 5: Solve for x
    x = 1,110,788,918.58/38,114.32
  6. Step 6: Final answer
    x = 29,143.61

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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.