Home / 46,979.72-70,468.20-18,891.08

Finding the Fourth Proportional to 46,979.72, 70,468.20 and 18,891.08

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Solution

The fourth proportional to 46,979.72, 70,468.20 and 18,891.08 is: 28,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,979.72 : 70,468.20 = 18,891.08 : x
  2. Step 2: Convert to fraction form
    46,979.72/70,468.20 = 18,891.08/x
  3. Step 3: Cross multiply
    46,979.72x = 70,468.20 × 18,891.08
  4. Step 4: Simplify right side
    46,979.72x = 1,331,220,403.66
  5. Step 5: Solve for x
    x = 1,331,220,403.66/46,979.72
  6. Step 6: Final answer
    x = 28,336.07

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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.