Home / 35,619.12-49,152.34-19,702.62

Finding the Fourth Proportional to 35,619.12, 49,152.34 and 19,702.62

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Solution

The fourth proportional to 35,619.12, 49,152.34 and 19,702.62 is: 27,188.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.12 : 49,152.34 = 19,702.62 : x
  2. Step 2: Convert to fraction form
    35,619.12/49,152.34 = 19,702.62/x
  3. Step 3: Cross multiply
    35,619.12x = 49,152.34 × 19,702.62
  4. Step 4: Simplify right side
    35,619.12x = 968,429,877.13
  5. Step 5: Solve for x
    x = 968,429,877.13/35,619.12
  6. Step 6: Final answer
    x = 27,188.48

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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.