Home / 51,344.04-70,847.76-28,680.14

Finding the Fourth Proportional to 51,344.04, 70,847.76 and 28,680.14

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Solution

The fourth proportional to 51,344.04, 70,847.76 and 28,680.14 is: 39,574.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,344.04 : 70,847.76 = 28,680.14 : x
  2. Step 2: Convert to fraction form
    51,344.04/70,847.76 = 28,680.14/x
  3. Step 3: Cross multiply
    51,344.04x = 70,847.76 × 28,680.14
  4. Step 4: Simplify right side
    51,344.04x = 2,031,923,675.49
  5. Step 5: Solve for x
    x = 2,031,923,675.49/51,344.04
  6. Step 6: Final answer
    x = 39,574.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.