Home / 53,579.83-80,364.08-21,993.23

Finding the Fourth Proportional to 53,579.83, 80,364.08 and 21,993.23

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Solution

The fourth proportional to 53,579.83, 80,364.08 and 21,993.23 is: 32,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,579.83 : 80,364.08 = 21,993.23 : x
  2. Step 2: Convert to fraction form
    53,579.83/80,364.08 = 21,993.23/x
  3. Step 3: Cross multiply
    53,579.83x = 80,364.08 × 21,993.23
  4. Step 4: Simplify right side
    53,579.83x = 1,767,465,695.18
  5. Step 5: Solve for x
    x = 1,767,465,695.18/53,579.83
  6. Step 6: Final answer
    x = 32,987.52

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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.