Home / 53,078.17-73,247.10-28,879.51

Finding the Fourth Proportional to 53,078.17, 73,247.10 and 28,879.51

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Solution

The fourth proportional to 53,078.17, 73,247.10 and 28,879.51 is: 39,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,078.17 : 73,247.10 = 28,879.51 : x
  2. Step 2: Convert to fraction form
    53,078.17/73,247.10 = 28,879.51/x
  3. Step 3: Cross multiply
    53,078.17x = 73,247.10 × 28,879.51
  4. Step 4: Simplify right side
    53,078.17x = 2,115,340,356.92
  5. Step 5: Solve for x
    x = 2,115,340,356.92/53,078.17
  6. Step 6: Final answer
    x = 39,853.30

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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.