Home / 51,514.59-77,271.89-28,128.27

Finding the Fourth Proportional to 51,514.59, 77,271.89 and 28,128.27

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Solution

The fourth proportional to 51,514.59, 77,271.89 and 28,128.27 is: 42,192.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,514.59 : 77,271.89 = 28,128.27 : x
  2. Step 2: Convert to fraction form
    51,514.59/77,271.89 = 28,128.27/x
  3. Step 3: Cross multiply
    51,514.59x = 77,271.89 × 28,128.27
  4. Step 4: Simplify right side
    51,514.59x = 2,173,524,444.69
  5. Step 5: Solve for x
    x = 2,173,524,444.69/51,514.59
  6. Step 6: Final answer
    x = 42,192.41

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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.