Home / 53,764.89-80,667.06-18,714.57

Finding the Fourth Proportional to 53,764.89, 80,667.06 and 18,714.57

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Solution

The fourth proportional to 53,764.89, 80,667.06 and 18,714.57 is: 28,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,764.89 : 80,667.06 = 18,714.57 : x
  2. Step 2: Convert to fraction form
    53,764.89/80,667.06 = 18,714.57/x
  3. Step 3: Cross multiply
    53,764.89x = 80,667.06 × 18,714.57
  4. Step 4: Simplify right side
    53,764.89x = 1,509,649,341.06
  5. Step 5: Solve for x
    x = 1,509,649,341.06/53,764.89
  6. Step 6: Final answer
    x = 28,078.72

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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.