Home / 34,718.99-47,915.16-19,614.43

Finding the Fourth Proportional to 34,718.99, 47,915.16 and 19,614.43

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Solution

The fourth proportional to 34,718.99, 47,915.16 and 19,614.43 is: 27,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.99 : 47,915.16 = 19,614.43 : x
  2. Step 2: Convert to fraction form
    34,718.99/47,915.16 = 19,614.43/x
  3. Step 3: Cross multiply
    34,718.99x = 47,915.16 × 19,614.43
  4. Step 4: Simplify right side
    34,718.99x = 939,828,468.75
  5. Step 5: Solve for x
    x = 939,828,468.75/34,718.99
  6. Step 6: Final answer
    x = 27,069.58

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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.