Home / 39,597.04-54,578.84-31,625.20

Finding the Fourth Proportional to 39,597.04, 54,578.84 and 31,625.20

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Solution

The fourth proportional to 39,597.04, 54,578.84 and 31,625.20 is: 43,590.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.04 : 54,578.84 = 31,625.20 : x
  2. Step 2: Convert to fraction form
    39,597.04/54,578.84 = 31,625.20/x
  3. Step 3: Cross multiply
    39,597.04x = 54,578.84 × 31,625.20
  4. Step 4: Simplify right side
    39,597.04x = 1,726,066,730.77
  5. Step 5: Solve for x
    x = 1,726,066,730.77/39,597.04
  6. Step 6: Final answer
    x = 43,590.80

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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.