Home / 35,639.83-49,184.67-20,534.86

Finding the Fourth Proportional to 35,639.83, 49,184.67 and 20,534.86

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Solution

The fourth proportional to 35,639.83, 49,184.67 and 20,534.86 is: 28,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,639.83 : 49,184.67 = 20,534.86 : x
  2. Step 2: Convert to fraction form
    35,639.83/49,184.67 = 20,534.86/x
  3. Step 3: Cross multiply
    35,639.83x = 49,184.67 × 20,534.86
  4. Step 4: Simplify right side
    35,639.83x = 1,010,000,312.60
  5. Step 5: Solve for x
    x = 1,010,000,312.60/35,639.83
  6. Step 6: Final answer
    x = 28,339.09

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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.