Home / 30,040.16-45,055.49-10,049.50

Finding the Fourth Proportional to 30,040.16, 45,055.49 and 10,049.50

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Solution

The fourth proportional to 30,040.16, 45,055.49 and 10,049.50 is: 15,072.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.16 : 45,055.49 = 10,049.50 : x
  2. Step 2: Convert to fraction form
    30,040.16/45,055.49 = 10,049.50/x
  3. Step 3: Cross multiply
    30,040.16x = 45,055.49 × 10,049.50
  4. Step 4: Simplify right side
    30,040.16x = 452,785,146.76
  5. Step 5: Solve for x
    x = 452,785,146.76/30,040.16
  6. Step 6: Final answer
    x = 15,072.66

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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.