Home / 35,124.12-52,704-20,346.48

Finding the Fourth Proportional to 35,124.12, 52,704 and 20,346.48

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Solution

The fourth proportional to 35,124.12, 52,704 and 20,346.48 is: 30,530.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,124.12 : 52,704 = 20,346.48 : x
  2. Step 2: Convert to fraction form
    35,124.12/52,704 = 20,346.48/x
  3. Step 3: Cross multiply
    35,124.12x = 52,704 × 20,346.48
  4. Step 4: Simplify right side
    35,124.12x = 1,072,340,881.92
  5. Step 5: Solve for x
    x = 1,072,340,881.92/35,124.12
  6. Step 6: Final answer
    x = 30,530.04

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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.