Home / 51,031.07-70,431.60-32,876.69

Finding the Fourth Proportional to 51,031.07, 70,431.60 and 32,876.69

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Solution

The fourth proportional to 51,031.07, 70,431.60 and 32,876.69 is: 45,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.07 : 70,431.60 = 32,876.69 : x
  2. Step 2: Convert to fraction form
    51,031.07/70,431.60 = 32,876.69/x
  3. Step 3: Cross multiply
    51,031.07x = 70,431.60 × 32,876.69
  4. Step 4: Simplify right side
    51,031.07x = 2,315,558,055.48
  5. Step 5: Solve for x
    x = 2,315,558,055.48/51,031.07
  6. Step 6: Final answer
    x = 45,375.45

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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.