Home / 56,128.14-84,148.07-28,033.70

Finding the Fourth Proportional to 56,128.14, 84,148.07 and 28,033.70

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Solution

The fourth proportional to 56,128.14, 84,148.07 and 28,033.70 is: 42,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,128.14 : 84,148.07 = 28,033.70 : x
  2. Step 2: Convert to fraction form
    56,128.14/84,148.07 = 28,033.70/x
  3. Step 3: Cross multiply
    56,128.14x = 84,148.07 × 28,033.70
  4. Step 4: Simplify right side
    56,128.14x = 2,358,981,189.05
  5. Step 5: Solve for x
    x = 2,358,981,189.05/56,128.14
  6. Step 6: Final answer
    x = 42,028.49

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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.