Home / 30,570.15-45,861.83-9,509.79

Finding the Fourth Proportional to 30,570.15, 45,861.83 and 9,509.79

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Solution

The fourth proportional to 30,570.15, 45,861.83 and 9,509.79 is: 14,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570.15 : 45,861.83 = 9,509.79 : x
  2. Step 2: Convert to fraction form
    30,570.15/45,861.83 = 9,509.79/x
  3. Step 3: Cross multiply
    30,570.15x = 45,861.83 × 9,509.79
  4. Step 4: Simplify right side
    30,570.15x = 436,136,324.77
  5. Step 5: Solve for x
    x = 436,136,324.77/30,570.15
  6. Step 6: Final answer
    x = 14,266.74

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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.