Home / 30,033.60-45,050.64-9,257.28

Finding the Fourth Proportional to 30,033.60, 45,050.64 and 9,257.28

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Solution

The fourth proportional to 30,033.60, 45,050.64 and 9,257.28 is: 13,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,033.60 : 45,050.64 = 9,257.28 : x
  2. Step 2: Convert to fraction form
    30,033.60/45,050.64 = 9,257.28/x
  3. Step 3: Cross multiply
    30,033.60x = 45,050.64 × 9,257.28
  4. Step 4: Simplify right side
    30,033.60x = 417,046,388.66
  5. Step 5: Solve for x
    x = 417,046,388.66/30,033.60
  6. Step 6: Final answer
    x = 13,885.99

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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.