Home / 49,438.12-74,157.18-13,902.60

Finding the Fourth Proportional to 49,438.12, 74,157.18 and 13,902.60

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Solution

The fourth proportional to 49,438.12, 74,157.18 and 13,902.60 is: 20,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,438.12 : 74,157.18 = 13,902.60 : x
  2. Step 2: Convert to fraction form
    49,438.12/74,157.18 = 13,902.60/x
  3. Step 3: Cross multiply
    49,438.12x = 74,157.18 × 13,902.60
  4. Step 4: Simplify right side
    49,438.12x = 1,030,977,610.67
  5. Step 5: Solve for x
    x = 1,030,977,610.67/49,438.12
  6. Step 6: Final answer
    x = 20,853.90

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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.