Home / 51,022.08-70,405.14-28,357.44

Finding the Fourth Proportional to 51,022.08, 70,405.14 and 28,357.44

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Solution

The fourth proportional to 51,022.08, 70,405.14 and 28,357.44 is: 39,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022.08 : 70,405.14 = 28,357.44 : x
  2. Step 2: Convert to fraction form
    51,022.08/70,405.14 = 28,357.44/x
  3. Step 3: Cross multiply
    51,022.08x = 70,405.14 × 28,357.44
  4. Step 4: Simplify right side
    51,022.08x = 1,996,509,533.24
  5. Step 5: Solve for x
    x = 1,996,509,533.24/51,022.08
  6. Step 6: Final answer
    x = 39,130.30

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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.