Home / 39,279.75-54,184.98-27,322.32

Finding the Fourth Proportional to 39,279.75, 54,184.98 and 27,322.32

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Solution

The fourth proportional to 39,279.75, 54,184.98 and 27,322.32 is: 37,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279.75 : 54,184.98 = 27,322.32 : x
  2. Step 2: Convert to fraction form
    39,279.75/54,184.98 = 27,322.32/x
  3. Step 3: Cross multiply
    39,279.75x = 54,184.98 × 27,322.32
  4. Step 4: Simplify right side
    39,279.75x = 1,480,459,362.75
  5. Step 5: Solve for x
    x = 1,480,459,362.75/39,279.75
  6. Step 6: Final answer
    x = 37,690.14

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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.