Home / 34,458.09-51,921.60-28,354.98

Finding the Fourth Proportional to 34,458.09, 51,921.60 and 28,354.98

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Solution

The fourth proportional to 34,458.09, 51,921.60 and 28,354.98 is: 42,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,458.09 : 51,921.60 = 28,354.98 : x
  2. Step 2: Convert to fraction form
    34,458.09/51,921.60 = 28,354.98/x
  3. Step 3: Cross multiply
    34,458.09x = 51,921.60 × 28,354.98
  4. Step 4: Simplify right side
    34,458.09x = 1,472,235,929.57
  5. Step 5: Solve for x
    x = 1,472,235,929.57/34,458.09
  6. Step 6: Final answer
    x = 42,725.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.