Home / 35,823.06-49,435.38-20,715.30

Finding the Fourth Proportional to 35,823.06, 49,435.38 and 20,715.30

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Solution

The fourth proportional to 35,823.06, 49,435.38 and 20,715.30 is: 28,586.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,823.06 : 49,435.38 = 20,715.30 : x
  2. Step 2: Convert to fraction form
    35,823.06/49,435.38 = 20,715.30/x
  3. Step 3: Cross multiply
    35,823.06x = 49,435.38 × 20,715.30
  4. Step 4: Simplify right side
    35,823.06x = 1,024,068,727.31
  5. Step 5: Solve for x
    x = 1,024,068,727.31/35,823.06
  6. Step 6: Final answer
    x = 28,586.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.