Home / 115,055.80-172,583.70-31,949.80

Finding the Fourth Proportional to 115,055.80, 172,583.70 and 31,949.80

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Solution

The fourth proportional to 115,055.80, 172,583.70 and 31,949.80 is: 47,924.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,055.80 : 172,583.70 = 31,949.80 : x
  2. Step 2: Convert to fraction form
    115,055.80/172,583.70 = 31,949.80/x
  3. Step 3: Cross multiply
    115,055.80x = 172,583.70 × 31,949.80
  4. Step 4: Simplify right side
    115,055.80x = 5,514,014,698.26
  5. Step 5: Solve for x
    x = 5,514,014,698.26/115,055.80
  6. Step 6: Final answer
    x = 47,924.70

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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.