Home / 35,653.10-53,428.61-20,037.92

Finding the Fourth Proportional to 35,653.10, 53,428.61 and 20,037.92

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Solution

The fourth proportional to 35,653.10, 53,428.61 and 20,037.92 is: 30,028.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,653.10 : 53,428.61 = 20,037.92 : x
  2. Step 2: Convert to fraction form
    35,653.10/53,428.61 = 20,037.92/x
  3. Step 3: Cross multiply
    35,653.10x = 53,428.61 × 20,037.92
  4. Step 4: Simplify right side
    35,653.10x = 1,070,597,995.84
  5. Step 5: Solve for x
    x = 1,070,597,995.84/35,653.10
  6. Step 6: Final answer
    x = 30,028.19

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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.