Home / 37,284.40-51,459.84-21,379.60

Finding the Fourth Proportional to 37,284.40, 51,459.84 and 21,379.60

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Solution

The fourth proportional to 37,284.40, 51,459.84 and 21,379.60 is: 29,508.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,284.40 : 51,459.84 = 21,379.60 : x
  2. Step 2: Convert to fraction form
    37,284.40/51,459.84 = 21,379.60/x
  3. Step 3: Cross multiply
    37,284.40x = 51,459.84 × 21,379.60
  4. Step 4: Simplify right side
    37,284.40x = 1,100,190,795.26
  5. Step 5: Solve for x
    x = 1,100,190,795.26/37,284.40
  6. Step 6: Final answer
    x = 29,508.07

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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.