Home / 48,168.83-66,495.31-28,018.37

Finding the Fourth Proportional to 48,168.83, 66,495.31 and 28,018.37

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Solution

The fourth proportional to 48,168.83, 66,495.31 and 28,018.37 is: 38,678.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,168.83 : 66,495.31 = 28,018.37 : x
  2. Step 2: Convert to fraction form
    48,168.83/66,495.31 = 28,018.37/x
  3. Step 3: Cross multiply
    48,168.83x = 66,495.31 × 28,018.37
  4. Step 4: Simplify right side
    48,168.83x = 1,863,090,295.04
  5. Step 5: Solve for x
    x = 1,863,090,295.04/48,168.83
  6. Step 6: Final answer
    x = 38,678.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.