Home / 37,826.90-52,200.35-20,830.26

Finding the Fourth Proportional to 37,826.90, 52,200.35 and 20,830.26

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Solution

The fourth proportional to 37,826.90, 52,200.35 and 20,830.26 is: 28,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,826.90 : 52,200.35 = 20,830.26 : x
  2. Step 2: Convert to fraction form
    37,826.90/52,200.35 = 20,830.26/x
  3. Step 3: Cross multiply
    37,826.90x = 52,200.35 × 20,830.26
  4. Step 4: Simplify right side
    37,826.90x = 1,087,347,032.30
  5. Step 5: Solve for x
    x = 1,087,347,032.30/37,826.90
  6. Step 6: Final answer
    x = 28,745.34

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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.