Home / 39,339.72-58,987.08-18,268.92

Finding the Fourth Proportional to 39,339.72, 58,987.08 and 18,268.92

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Solution

The fourth proportional to 39,339.72, 58,987.08 and 18,268.92 is: 27,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339.72 : 58,987.08 = 18,268.92 : x
  2. Step 2: Convert to fraction form
    39,339.72/58,987.08 = 18,268.92/x
  3. Step 3: Cross multiply
    39,339.72x = 58,987.08 × 18,268.92
  4. Step 4: Simplify right side
    39,339.72x = 1,077,630,245.55
  5. Step 5: Solve for x
    x = 1,077,630,245.55/39,339.72
  6. Step 6: Final answer
    x = 27,392.93

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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.