Home / 46,900.80-70,354.86-13,621.41

Finding the Fourth Proportional to 46,900.80, 70,354.86 and 13,621.41

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Solution

The fourth proportional to 46,900.80, 70,354.86 and 13,621.41 is: 20,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,900.80 : 70,354.86 = 13,621.41 : x
  2. Step 2: Convert to fraction form
    46,900.80/70,354.86 = 13,621.41/x
  3. Step 3: Cross multiply
    46,900.80x = 70,354.86 × 13,621.41
  4. Step 4: Simplify right side
    46,900.80x = 958,332,393.55
  5. Step 5: Solve for x
    x = 958,332,393.55/46,900.80
  6. Step 6: Final answer
    x = 20,433.18

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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.