Home / 30,570.62-45,851.20-12,560.67

Finding the Fourth Proportional to 30,570.62, 45,851.20 and 12,560.67

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Solution

The fourth proportional to 30,570.62, 45,851.20 and 12,560.67 is: 18,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570.62 : 45,851.20 = 12,560.67 : x
  2. Step 2: Convert to fraction form
    30,570.62/45,851.20 = 12,560.67/x
  3. Step 3: Cross multiply
    30,570.62x = 45,851.20 × 12,560.67
  4. Step 4: Simplify right side
    30,570.62x = 575,921,760.90
  5. Step 5: Solve for x
    x = 575,921,760.90/30,570.62
  6. Step 6: Final answer
    x = 18,839.06

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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.