Home / 30,055.03-45,085.55-10,330.99

Finding the Fourth Proportional to 30,055.03, 45,085.55 and 10,330.99

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Solution

The fourth proportional to 30,055.03, 45,085.55 and 10,330.99 is: 15,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.03 : 45,085.55 = 10,330.99 : x
  2. Step 2: Convert to fraction form
    30,055.03/45,085.55 = 10,330.99/x
  3. Step 3: Cross multiply
    30,055.03x = 45,085.55 × 10,330.99
  4. Step 4: Simplify right side
    30,055.03x = 465,778,201.83
  5. Step 5: Solve for x
    x = 465,778,201.83/30,055.03
  6. Step 6: Final answer
    x = 15,497.51

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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.