Home / 69,840.90-104,760.41-30,397.14

Finding the Fourth Proportional to 69,840.90, 104,760.41 and 30,397.14

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Solution

The fourth proportional to 69,840.90, 104,760.41 and 30,397.14 is: 45,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,840.90 : 104,760.41 = 30,397.14 : x
  2. Step 2: Convert to fraction form
    69,840.90/104,760.41 = 30,397.14/x
  3. Step 3: Cross multiply
    69,840.90x = 104,760.41 × 30,397.14
  4. Step 4: Simplify right side
    69,840.90x = 3,184,416,697.24
  5. Step 5: Solve for x
    x = 3,184,416,697.24/69,840.90
  6. Step 6: Final answer
    x = 45,595.30

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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.