Home / 40,602.21-60,861.63-20,574.69

Finding the Fourth Proportional to 40,602.21, 60,861.63 and 20,574.69

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Solution

The fourth proportional to 40,602.21, 60,861.63 and 20,574.69 is: 30,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,602.21 : 60,861.63 = 20,574.69 : x
  2. Step 2: Convert to fraction form
    40,602.21/60,861.63 = 20,574.69/x
  3. Step 3: Cross multiply
    40,602.21x = 60,861.63 × 20,574.69
  4. Step 4: Simplify right side
    40,602.21x = 1,252,209,170.14
  5. Step 5: Solve for x
    x = 1,252,209,170.14/40,602.21
  6. Step 6: Final answer
    x = 30,840.91

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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.