Home / 40,514.40-55,902.48-30,804.12

Finding the Fourth Proportional to 40,514.40, 55,902.48 and 30,804.12

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Solution

The fourth proportional to 40,514.40, 55,902.48 and 30,804.12 is: 42,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,514.40 : 55,902.48 = 30,804.12 : x
  2. Step 2: Convert to fraction form
    40,514.40/55,902.48 = 30,804.12/x
  3. Step 3: Cross multiply
    40,514.40x = 55,902.48 × 30,804.12
  4. Step 4: Simplify right side
    40,514.40x = 1,722,026,702.22
  5. Step 5: Solve for x
    x = 1,722,026,702.22/40,514.40
  6. Step 6: Final answer
    x = 42,504.07

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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.