Home / 30,254.40-45,370.80-10,533.60

Finding the Fourth Proportional to 30,254.40, 45,370.80 and 10,533.60

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Solution

The fourth proportional to 30,254.40, 45,370.80 and 10,533.60 is: 15,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,254.40 : 45,370.80 = 10,533.60 : x
  2. Step 2: Convert to fraction form
    30,254.40/45,370.80 = 10,533.60/x
  3. Step 3: Cross multiply
    30,254.40x = 45,370.80 × 10,533.60
  4. Step 4: Simplify right side
    30,254.40x = 477,917,858.88
  5. Step 5: Solve for x
    x = 477,917,858.88/30,254.40
  6. Step 6: Final answer
    x = 15,796.64

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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.