Home / 51,094.40-70,516.80-28,738.24

Finding the Fourth Proportional to 51,094.40, 70,516.80 and 28,738.24

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Solution

The fourth proportional to 51,094.40, 70,516.80 and 28,738.24 is: 39,662.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,094.40 : 70,516.80 = 28,738.24 : x
  2. Step 2: Convert to fraction form
    51,094.40/70,516.80 = 28,738.24/x
  3. Step 3: Cross multiply
    51,094.40x = 70,516.80 × 28,738.24
  4. Step 4: Simplify right side
    51,094.40x = 2,026,528,722.43
  5. Step 5: Solve for x
    x = 2,026,528,722.43/51,094.40
  6. Step 6: Final answer
    x = 39,662.44

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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.