Home / 31,429.14-47,159.06-14,790.84

Finding the Fourth Proportional to 31,429.14, 47,159.06 and 14,790.84

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Solution

The fourth proportional to 31,429.14, 47,159.06 and 14,790.84 is: 22,193.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,429.14 : 47,159.06 = 14,790.84 : x
  2. Step 2: Convert to fraction form
    31,429.14/47,159.06 = 14,790.84/x
  3. Step 3: Cross multiply
    31,429.14x = 47,159.06 × 14,790.84
  4. Step 4: Simplify right side
    31,429.14x = 697,522,037.06
  5. Step 5: Solve for x
    x = 697,522,037.06/31,429.14
  6. Step 6: Final answer
    x = 22,193.48

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1.5x scale

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.