Home / 30,279.44-45,426.35-10,290.26

Finding the Fourth Proportional to 30,279.44, 45,426.35 and 10,290.26

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Solution

The fourth proportional to 30,279.44, 45,426.35 and 10,290.26 is: 15,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.44 : 45,426.35 = 10,290.26 : x
  2. Step 2: Convert to fraction form
    30,279.44/45,426.35 = 10,290.26/x
  3. Step 3: Cross multiply
    30,279.44x = 45,426.35 × 10,290.26
  4. Step 4: Simplify right side
    30,279.44x = 467,449,091.64
  5. Step 5: Solve for x
    x = 467,449,091.64/30,279.44
  6. Step 6: Final answer
    x = 15,437.84

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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.