Home / 34,374.60-51,513.30-21,187.80

Finding the Fourth Proportional to 34,374.60, 51,513.30 and 21,187.80

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Solution

The fourth proportional to 34,374.60, 51,513.30 and 21,187.80 is: 31,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,374.60 : 51,513.30 = 21,187.80 : x
  2. Step 2: Convert to fraction form
    34,374.60/51,513.30 = 21,187.80/x
  3. Step 3: Cross multiply
    34,374.60x = 51,513.30 × 21,187.80
  4. Step 4: Simplify right side
    34,374.60x = 1,091,453,497.74
  5. Step 5: Solve for x
    x = 1,091,453,497.74/34,374.60
  6. Step 6: Final answer
    x = 31,751.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.