Home / 51,283.99-70,775.45-28,627.38

Finding the Fourth Proportional to 51,283.99, 70,775.45 and 28,627.38

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Solution

The fourth proportional to 51,283.99, 70,775.45 and 28,627.38 is: 39,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,283.99 : 70,775.45 = 28,627.38 : x
  2. Step 2: Convert to fraction form
    51,283.99/70,775.45 = 28,627.38/x
  3. Step 3: Cross multiply
    51,283.99x = 70,775.45 × 28,627.38
  4. Step 4: Simplify right side
    51,283.99x = 2,026,115,701.82
  5. Step 5: Solve for x
    x = 2,026,115,701.82/51,283.99
  6. Step 6: Final answer
    x = 39,507.77

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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.