Home / 30,031.94-45,054.26-8,973.60

Finding the Fourth Proportional to 30,031.94, 45,054.26 and 8,973.60

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Solution

The fourth proportional to 30,031.94, 45,054.26 and 8,973.60 is: 13,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,031.94 : 45,054.26 = 8,973.60 : x
  2. Step 2: Convert to fraction form
    30,031.94/45,054.26 = 8,973.60/x
  3. Step 3: Cross multiply
    30,031.94x = 45,054.26 × 8,973.60
  4. Step 4: Simplify right side
    30,031.94x = 404,298,907.54
  5. Step 5: Solve for x
    x = 404,298,907.54/30,031.94
  6. Step 6: Final answer
    x = 13,462.30

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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.