Home / 35,509.84-53,264.68-20,708.38

Finding the Fourth Proportional to 35,509.84, 53,264.68 and 20,708.38

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Solution

The fourth proportional to 35,509.84, 53,264.68 and 20,708.38 is: 31,062.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,509.84 : 53,264.68 = 20,708.38 : x
  2. Step 2: Convert to fraction form
    35,509.84/53,264.68 = 20,708.38/x
  3. Step 3: Cross multiply
    35,509.84x = 53,264.68 × 20,708.38
  4. Step 4: Simplify right side
    35,509.84x = 1,103,025,234.02
  5. Step 5: Solve for x
    x = 1,103,025,234.02/35,509.84
  6. Step 6: Final answer
    x = 31,062.52

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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.