Home / 42,040.81-63,059.39-10,450.20

Finding the Fourth Proportional to 42,040.81, 63,059.39 and 10,450.20

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Solution

The fourth proportional to 42,040.81, 63,059.39 and 10,450.20 is: 15,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,040.81 : 63,059.39 = 10,450.20 : x
  2. Step 2: Convert to fraction form
    42,040.81/63,059.39 = 10,450.20/x
  3. Step 3: Cross multiply
    42,040.81x = 63,059.39 × 10,450.20
  4. Step 4: Simplify right side
    42,040.81x = 658,983,237.38
  5. Step 5: Solve for x
    x = 658,983,237.38/42,040.81
  6. Step 6: Final answer
    x = 15,674.85

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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.