Home / 36,045.62-53,993.08-28,987.55

Finding the Fourth Proportional to 36,045.62, 53,993.08 and 28,987.55

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Solution

The fourth proportional to 36,045.62, 53,993.08 and 28,987.55 is: 43,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,045.62 : 53,993.08 = 28,987.55 : x
  2. Step 2: Convert to fraction form
    36,045.62/53,993.08 = 28,987.55/x
  3. Step 3: Cross multiply
    36,045.62x = 53,993.08 × 28,987.55
  4. Step 4: Simplify right side
    36,045.62x = 1,565,127,106.15
  5. Step 5: Solve for x
    x = 1,565,127,106.15/36,045.62
  6. Step 6: Final answer
    x = 43,420.73

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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.