Home / 34,284.80-51,427.20-21,094.40

Finding the Fourth Proportional to 34,284.80, 51,427.20 and 21,094.40

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Solution

The fourth proportional to 34,284.80, 51,427.20 and 21,094.40 is: 31,641.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,284.80 : 51,427.20 = 21,094.40 : x
  2. Step 2: Convert to fraction form
    34,284.80/51,427.20 = 21,094.40/x
  3. Step 3: Cross multiply
    34,284.80x = 51,427.20 × 21,094.40
  4. Step 4: Simplify right side
    34,284.80x = 1,084,825,927.68
  5. Step 5: Solve for x
    x = 1,084,825,927.68/34,284.80
  6. Step 6: Final answer
    x = 31,641.60

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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.