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Finding the Fourth Proportional to 35,320.32, 52,980.53 and 9,025.09

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Solution

The fourth proportional to 35,320.32, 52,980.53 and 9,025.09 is: 13,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,320.32 : 52,980.53 = 9,025.09 : x
  2. Step 2: Convert to fraction form
    35,320.32/52,980.53 = 9,025.09/x
  3. Step 3: Cross multiply
    35,320.32x = 52,980.53 × 9,025.09
  4. Step 4: Simplify right side
    35,320.32x = 478,153,873.92
  5. Step 5: Solve for x
    x = 478,153,873.92/35,320.32
  6. Step 6: Final answer
    x = 13,537.64

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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.