Home / 34,476.69-47,589.89-20,328.63

Finding the Fourth Proportional to 34,476.69, 47,589.89 and 20,328.63

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Solution

The fourth proportional to 34,476.69, 47,589.89 and 20,328.63 is: 28,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,476.69 : 47,589.89 = 20,328.63 : x
  2. Step 2: Convert to fraction form
    34,476.69/47,589.89 = 20,328.63/x
  3. Step 3: Cross multiply
    34,476.69x = 47,589.89 × 20,328.63
  4. Step 4: Simplify right side
    34,476.69x = 967,437,265.55
  5. Step 5: Solve for x
    x = 967,437,265.55/34,476.69
  6. Step 6: Final answer
    x = 28,060.62

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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.