Home / 57,702.32-79,619.58-38,551.28

Finding the Fourth Proportional to 57,702.32, 79,619.58 and 38,551.28

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Solution

The fourth proportional to 57,702.32, 79,619.58 and 38,551.28 is: 53,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,702.32 : 79,619.58 = 38,551.28 : x
  2. Step 2: Convert to fraction form
    57,702.32/79,619.58 = 38,551.28/x
  3. Step 3: Cross multiply
    57,702.32x = 79,619.58 × 38,551.28
  4. Step 4: Simplify right side
    57,702.32x = 3,069,436,722.06
  5. Step 5: Solve for x
    x = 3,069,436,722.06/57,702.32
  6. Step 6: Final answer
    x = 53,194.34

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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.