Home / 51,081.46-70,495.58-28,425.51

Finding the Fourth Proportional to 51,081.46, 70,495.58 and 28,425.51

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Solution

The fourth proportional to 51,081.46, 70,495.58 and 28,425.51 is: 39,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.46 : 70,495.58 = 28,425.51 : x
  2. Step 2: Convert to fraction form
    51,081.46/70,495.58 = 28,425.51/x
  3. Step 3: Cross multiply
    51,081.46x = 70,495.58 × 28,425.51
  4. Step 4: Simplify right side
    51,081.46x = 2,003,872,885.31
  5. Step 5: Solve for x
    x = 2,003,872,885.31/51,081.46
  6. Step 6: Final answer
    x = 39,228.97

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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.