Home / 35,455.68-53,189.01-12,080.34

Finding the Fourth Proportional to 35,455.68, 53,189.01 and 12,080.34

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Solution

The fourth proportional to 35,455.68, 53,189.01 and 12,080.34 is: 18,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455.68 : 53,189.01 = 12,080.34 : x
  2. Step 2: Convert to fraction form
    35,455.68/53,189.01 = 12,080.34/x
  3. Step 3: Cross multiply
    35,455.68x = 53,189.01 × 12,080.34
  4. Step 4: Simplify right side
    35,455.68x = 642,541,325.06
  5. Step 5: Solve for x
    x = 642,541,325.06/35,455.68
  6. Step 6: Final answer
    x = 18,122.38

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1.5x scale

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.