Home / 30,095.52-45,147.54-12,561.36

Finding the Fourth Proportional to 30,095.52, 45,147.54 and 12,561.36

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Solution

The fourth proportional to 30,095.52, 45,147.54 and 12,561.36 is: 18,843.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,095.52 : 45,147.54 = 12,561.36 : x
  2. Step 2: Convert to fraction form
    30,095.52/45,147.54 = 12,561.36/x
  3. Step 3: Cross multiply
    30,095.52x = 45,147.54 × 12,561.36
  4. Step 4: Simplify right side
    30,095.52x = 567,114,503.05
  5. Step 5: Solve for x
    x = 567,114,503.05/30,095.52
  6. Step 6: Final answer
    x = 18,843.82

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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.