Home / 34,445.10-51,619.05-21,258.30

Finding the Fourth Proportional to 34,445.10, 51,619.05 and 21,258.30

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Solution

The fourth proportional to 34,445.10, 51,619.05 and 21,258.30 is: 31,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,445.10 : 51,619.05 = 21,258.30 : x
  2. Step 2: Convert to fraction form
    34,445.10/51,619.05 = 21,258.30/x
  3. Step 3: Cross multiply
    34,445.10x = 51,619.05 × 21,258.30
  4. Step 4: Simplify right side
    34,445.10x = 1,097,333,250.62
  5. Step 5: Solve for x
    x = 1,097,333,250.62/34,445.10
  6. Step 6: Final answer
    x = 31,857.46

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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.