Home / 53,014.06-79,521.04-13,571.12

Finding the Fourth Proportional to 53,014.06, 79,521.04 and 13,571.12

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Solution

The fourth proportional to 53,014.06, 79,521.04 and 13,571.12 is: 20,356.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,014.06 : 79,521.04 = 13,571.12 : x
  2. Step 2: Convert to fraction form
    53,014.06/79,521.04 = 13,571.12/x
  3. Step 3: Cross multiply
    53,014.06x = 79,521.04 × 13,571.12
  4. Step 4: Simplify right side
    53,014.06x = 1,079,189,576.36
  5. Step 5: Solve for x
    x = 1,079,189,576.36/53,014.06
  6. Step 6: Final answer
    x = 20,356.67

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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.