Home / 34,639.04-47,801.80-18,723.45

Finding the Fourth Proportional to 34,639.04, 47,801.80 and 18,723.45

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Solution

The fourth proportional to 34,639.04, 47,801.80 and 18,723.45 is: 25,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,639.04 : 47,801.80 = 18,723.45 : x
  2. Step 2: Convert to fraction form
    34,639.04/47,801.80 = 18,723.45/x
  3. Step 3: Cross multiply
    34,639.04x = 47,801.80 × 18,723.45
  4. Step 4: Simplify right side
    34,639.04x = 895,014,709.55
  5. Step 5: Solve for x
    x = 895,014,709.55/34,639.04
  6. Step 6: Final answer
    x = 25,838.32

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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.