Home / 51,053.79-76,584.34-13,613.67

Finding the Fourth Proportional to 51,053.79, 76,584.34 and 13,613.67

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Solution

The fourth proportional to 51,053.79, 76,584.34 and 13,613.67 is: 20,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.79 : 76,584.34 = 13,613.67 : x
  2. Step 2: Convert to fraction form
    51,053.79/76,584.34 = 13,613.67/x
  3. Step 3: Cross multiply
    51,053.79x = 76,584.34 × 13,613.67
  4. Step 4: Simplify right side
    51,053.79x = 1,042,593,549.01
  5. Step 5: Solve for x
    x = 1,042,593,549.01/51,053.79
  6. Step 6: Final answer
    x = 20,421.47

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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.