Home / 31,465.56-47,200.77-12,736.74

Finding the Fourth Proportional to 31,465.56, 47,200.77 and 12,736.74

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Solution

The fourth proportional to 31,465.56, 47,200.77 and 12,736.74 is: 19,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.56 : 47,200.77 = 12,736.74 : x
  2. Step 2: Convert to fraction form
    31,465.56/47,200.77 = 12,736.74/x
  3. Step 3: Cross multiply
    31,465.56x = 47,200.77 × 12,736.74
  4. Step 4: Simplify right side
    31,465.56x = 601,183,935.29
  5. Step 5: Solve for x
    x = 601,183,935.29/31,465.56
  6. Step 6: Final answer
    x = 19,106.09

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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.