Home / 36,346.90-54,555.15-18,829.30

Finding the Fourth Proportional to 36,346.90, 54,555.15 and 18,829.30

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Solution

The fourth proportional to 36,346.90, 54,555.15 and 18,829.30 is: 28,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,346.90 : 54,555.15 = 18,829.30 : x
  2. Step 2: Convert to fraction form
    36,346.90/54,555.15 = 18,829.30/x
  3. Step 3: Cross multiply
    36,346.90x = 54,555.15 × 18,829.30
  4. Step 4: Simplify right side
    36,346.90x = 1,027,235,285.90
  5. Step 5: Solve for x
    x = 1,027,235,285.90/36,346.90
  6. Step 6: Final answer
    x = 28,261.98

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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.