Home / 39,573,138.60-59,357,739.60-20,405,833.20

Finding the Fourth Proportional to 39,573,138.60, 59,357,739.60 and 20,405,833.20

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Solution

The fourth proportional to 39,573,138.60, 59,357,739.60 and 20,405,833.20 is: 30,607,734.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573,138.60 : 59,357,739.60 = 20,405,833.20 : x
  2. Step 2: Convert to fraction form
    39,573,138.60/59,357,739.60 = 20,405,833.20/x
  3. Step 3: Cross multiply
    39,573,138.60x = 59,357,739.60 × 20,405,833.20
  4. Step 4: Simplify right side
    39,573,138.60x = 1,211,244,133,406,634.75
  5. Step 5: Solve for x
    x = 1,211,244,133,406,634.75/39,573,138.60
  6. Step 6: Final answer
    x = 30,607,734.85

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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.