Home / 30,055.80-45,042.66-11,316.99

Finding the Fourth Proportional to 30,055.80, 45,042.66 and 11,316.99

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Solution

The fourth proportional to 30,055.80, 45,042.66 and 11,316.99 is: 16,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,055.80 : 45,042.66 = 11,316.99 : x
  2. Step 2: Convert to fraction form
    30,055.80/45,042.66 = 11,316.99/x
  3. Step 3: Cross multiply
    30,055.80x = 45,042.66 × 11,316.99
  4. Step 4: Simplify right side
    30,055.80x = 509,747,332.79
  5. Step 5: Solve for x
    x = 509,747,332.79/30,055.80
  6. Step 6: Final answer
    x = 16,960.03

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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.