Home / 53,818.83-80,728.65-18,758.52

Finding the Fourth Proportional to 53,818.83, 80,728.65 and 18,758.52

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Solution

The fourth proportional to 53,818.83, 80,728.65 and 18,758.52 is: 28,137.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,818.83 : 80,728.65 = 18,758.52 : x
  2. Step 2: Convert to fraction form
    53,818.83/80,728.65 = 18,758.52/x
  3. Step 3: Cross multiply
    53,818.83x = 80,728.65 × 18,758.52
  4. Step 4: Simplify right side
    53,818.83x = 1,514,349,995.60
  5. Step 5: Solve for x
    x = 1,514,349,995.60/53,818.83
  6. Step 6: Final answer
    x = 28,137.92

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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.