Home / 51,179.16-70,625.40-28,516.98

Finding the Fourth Proportional to 51,179.16, 70,625.40 and 28,516.98

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Solution

The fourth proportional to 51,179.16, 70,625.40 and 28,516.98 is: 39,352.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.16 : 70,625.40 = 28,516.98 : x
  2. Step 2: Convert to fraction form
    51,179.16/70,625.40 = 28,516.98/x
  3. Step 3: Cross multiply
    51,179.16x = 70,625.40 × 28,516.98
  4. Step 4: Simplify right side
    51,179.16x = 2,014,023,119.29
  5. Step 5: Solve for x
    x = 2,014,023,119.29/51,179.16
  6. Step 6: Final answer
    x = 39,352.41

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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.