Home / 53,688.44-80,547.26-18,630.83

Finding the Fourth Proportional to 53,688.44, 80,547.26 and 18,630.83

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Solution

The fourth proportional to 53,688.44, 80,547.26 and 18,630.83 is: 27,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,688.44 : 80,547.26 = 18,630.83 : x
  2. Step 2: Convert to fraction form
    53,688.44/80,547.26 = 18,630.83/x
  3. Step 3: Cross multiply
    53,688.44x = 80,547.26 × 18,630.83
  4. Step 4: Simplify right side
    53,688.44x = 1,500,662,416.24
  5. Step 5: Solve for x
    x = 1,500,662,416.24/53,688.44
  6. Step 6: Final answer
    x = 27,951.31

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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.