Home / 40,898.40-61,405.20-32,143.20

Finding the Fourth Proportional to 40,898.40, 61,405.20 and 32,143.20

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Solution

The fourth proportional to 40,898.40, 61,405.20 and 32,143.20 is: 48,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,898.40 : 61,405.20 = 32,143.20 : x
  2. Step 2: Convert to fraction form
    40,898.40/61,405.20 = 32,143.20/x
  3. Step 3: Cross multiply
    40,898.40x = 61,405.20 × 32,143.20
  4. Step 4: Simplify right side
    40,898.40x = 1,973,759,624.64
  5. Step 5: Solve for x
    x = 1,973,759,624.64/40,898.40
  6. Step 6: Final answer
    x = 48,260.07

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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.