Home / 42,695.35-63,969.21-33,210.61

Finding the Fourth Proportional to 42,695.35, 63,969.21 and 33,210.61

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Solution

The fourth proportional to 42,695.35, 63,969.21 and 33,210.61 is: 49,758.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,695.35 : 63,969.21 = 33,210.61 : x
  2. Step 2: Convert to fraction form
    42,695.35/63,969.21 = 33,210.61/x
  3. Step 3: Cross multiply
    42,695.35x = 63,969.21 × 33,210.61
  4. Step 4: Simplify right side
    42,695.35x = 2,124,456,325.40
  5. Step 5: Solve for x
    x = 2,124,456,325.40/42,695.35
  6. Step 6: Final answer
    x = 49,758.50

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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.