Home / 32,608.98-45,037.35-21,980.34

Finding the Fourth Proportional to 32,608.98, 45,037.35 and 21,980.34

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Solution

The fourth proportional to 32,608.98, 45,037.35 and 21,980.34 is: 30,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.98 : 45,037.35 = 21,980.34 : x
  2. Step 2: Convert to fraction form
    32,608.98/45,037.35 = 21,980.34/x
  3. Step 3: Cross multiply
    32,608.98x = 45,037.35 × 21,980.34
  4. Step 4: Simplify right side
    32,608.98x = 989,936,265.70
  5. Step 5: Solve for x
    x = 989,936,265.70/32,608.98
  6. Step 6: Final answer
    x = 30,357.78

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Double scale
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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.