Home / 30,039.52-45,056.40-9,257.44

Finding the Fourth Proportional to 30,039.52, 45,056.40 and 9,257.44

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Solution

The fourth proportional to 30,039.52, 45,056.40 and 9,257.44 is: 13,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,039.52 : 45,056.40 = 9,257.44 : x
  2. Step 2: Convert to fraction form
    30,039.52/45,056.40 = 9,257.44/x
  3. Step 3: Cross multiply
    30,039.52x = 45,056.40 × 9,257.44
  4. Step 4: Simplify right side
    30,039.52x = 417,106,919.62
  5. Step 5: Solve for x
    x = 417,106,919.62/30,039.52
  6. Step 6: Final answer
    x = 13,885.27

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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.