Home / 51,069.87-76,604.81-13,630.07

Finding the Fourth Proportional to 51,069.87, 76,604.81 and 13,630.07

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Solution

The fourth proportional to 51,069.87, 76,604.81 and 13,630.07 is: 20,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,069.87 : 76,604.81 = 13,630.07 : x
  2. Step 2: Convert to fraction form
    51,069.87/76,604.81 = 13,630.07/x
  3. Step 3: Cross multiply
    51,069.87x = 76,604.81 × 13,630.07
  4. Step 4: Simplify right side
    51,069.87x = 1,044,128,471.46
  5. Step 5: Solve for x
    x = 1,044,128,471.46/51,069.87
  6. Step 6: Final answer
    x = 20,445.10

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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.