Home / 51,176.85-70,621.74-28,518.32

Finding the Fourth Proportional to 51,176.85, 70,621.74 and 28,518.32

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Solution

The fourth proportional to 51,176.85, 70,621.74 and 28,518.32 is: 39,353.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.85 : 70,621.74 = 28,518.32 : x
  2. Step 2: Convert to fraction form
    51,176.85/70,621.74 = 28,518.32/x
  3. Step 3: Cross multiply
    51,176.85x = 70,621.74 × 28,518.32
  4. Step 4: Simplify right side
    51,176.85x = 2,014,013,027.17
  5. Step 5: Solve for x
    x = 2,014,013,027.17/51,176.85
  6. Step 6: Final answer
    x = 39,353.99

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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.