Home / 30,072.52-45,115.26-12,533.32

Finding the Fourth Proportional to 30,072.52, 45,115.26 and 12,533.32

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Solution

The fourth proportional to 30,072.52, 45,115.26 and 12,533.32 is: 18,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072.52 : 45,115.26 = 12,533.32 : x
  2. Step 2: Convert to fraction form
    30,072.52/45,115.26 = 12,533.32/x
  3. Step 3: Cross multiply
    30,072.52x = 45,115.26 × 12,533.32
  4. Step 4: Simplify right side
    30,072.52x = 565,443,990.46
  5. Step 5: Solve for x
    x = 565,443,990.46/30,072.52
  6. Step 6: Final answer
    x = 18,802.68

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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.