Home / 30,339.08-45,271.26-27,186.99

Finding the Fourth Proportional to 30,339.08, 45,271.26 and 27,186.99

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Solution

The fourth proportional to 30,339.08, 45,271.26 and 27,186.99 is: 40,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.08 : 45,271.26 = 27,186.99 : x
  2. Step 2: Convert to fraction form
    30,339.08/45,271.26 = 27,186.99/x
  3. Step 3: Cross multiply
    30,339.08x = 45,271.26 × 27,186.99
  4. Step 4: Simplify right side
    30,339.08x = 1,230,789,292.91
  5. Step 5: Solve for x
    x = 1,230,789,292.91/30,339.08
  6. Step 6: Final answer
    x = 40,567.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.