Home / 51,176.58-70,621.56-28,514.40

Finding the Fourth Proportional to 51,176.58, 70,621.56 and 28,514.40

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Solution

The fourth proportional to 51,176.58, 70,621.56 and 28,514.40 is: 39,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,176.58 : 70,621.56 = 28,514.40 : x
  2. Step 2: Convert to fraction form
    51,176.58/70,621.56 = 28,514.40/x
  3. Step 3: Cross multiply
    51,176.58x = 70,621.56 × 28,514.40
  4. Step 4: Simplify right side
    51,176.58x = 2,013,731,410.46
  5. Step 5: Solve for x
    x = 2,013,731,410.46/51,176.58
  6. Step 6: Final answer
    x = 39,348.69

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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.