Home / 39,918.02-55,084.59-22,919.63

Finding the Fourth Proportional to 39,918.02, 55,084.59 and 22,919.63

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Solution

The fourth proportional to 39,918.02, 55,084.59 and 22,919.63 is: 31,627.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,918.02 : 55,084.59 = 22,919.63 : x
  2. Step 2: Convert to fraction form
    39,918.02/55,084.59 = 22,919.63/x
  3. Step 3: Cross multiply
    39,918.02x = 55,084.59 × 22,919.63
  4. Step 4: Simplify right side
    39,918.02x = 1,262,518,146.08
  5. Step 5: Solve for x
    x = 1,262,518,146.08/39,918.02
  6. Step 6: Final answer
    x = 31,627.78

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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.