Home / 51,410.50-70,916.91-30,185.66

Finding the Fourth Proportional to 51,410.50, 70,916.91 and 30,185.66

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Solution

The fourth proportional to 51,410.50, 70,916.91 and 30,185.66 is: 41,638.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,410.50 : 70,916.91 = 30,185.66 : x
  2. Step 2: Convert to fraction form
    51,410.50/70,916.91 = 30,185.66/x
  3. Step 3: Cross multiply
    51,410.50x = 70,916.91 × 30,185.66
  4. Step 4: Simplify right side
    51,410.50x = 2,140,673,733.51
  5. Step 5: Solve for x
    x = 2,140,673,733.51/51,410.50
  6. Step 6: Final answer
    x = 41,638.84

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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.