Home / 30,040.37-45,063.61-10,316.36

Finding the Fourth Proportional to 30,040.37, 45,063.61 and 10,316.36

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Solution

The fourth proportional to 30,040.37, 45,063.61 and 10,316.36 is: 15,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,040.37 : 45,063.61 = 10,316.36 : x
  2. Step 2: Convert to fraction form
    30,040.37/45,063.61 = 10,316.36/x
  3. Step 3: Cross multiply
    30,040.37x = 45,063.61 × 10,316.36
  4. Step 4: Simplify right side
    30,040.37x = 464,892,510.53
  5. Step 5: Solve for x
    x = 464,892,510.53/30,040.37
  6. Step 6: Final answer
    x = 15,475.59

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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.