Home / 38,219.74-52,740.35-21,449.50

Finding the Fourth Proportional to 38,219.74, 52,740.35 and 21,449.50

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Solution

The fourth proportional to 38,219.74, 52,740.35 and 21,449.50 is: 29,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.74 : 52,740.35 = 21,449.50 : x
  2. Step 2: Convert to fraction form
    38,219.74/52,740.35 = 21,449.50/x
  3. Step 3: Cross multiply
    38,219.74x = 52,740.35 × 21,449.50
  4. Step 4: Simplify right side
    38,219.74x = 1,131,254,137.33
  5. Step 5: Solve for x
    x = 1,131,254,137.33/38,219.74
  6. Step 6: Final answer
    x = 29,598.69

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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.