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Finding the Fourth Proportional to 30,410.60, 45,621.02 and 9,350.01

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Solution

The fourth proportional to 30,410.60, 45,621.02 and 9,350.01 is: 14,026.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.60 : 45,621.02 = 9,350.01 : x
  2. Step 2: Convert to fraction form
    30,410.60/45,621.02 = 9,350.01/x
  3. Step 3: Cross multiply
    30,410.60x = 45,621.02 × 9,350.01
  4. Step 4: Simplify right side
    30,410.60x = 426,556,946.46
  5. Step 5: Solve for x
    x = 426,556,946.46/30,410.60
  6. Step 6: Final answer
    x = 14,026.59

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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.