Home / 27,037.48-40,556.21-19,688.71

Finding the Fourth Proportional to 27,037.48, 40,556.21 and 19,688.71

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Solution

The fourth proportional to 27,037.48, 40,556.21 and 19,688.71 is: 29,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,037.48 : 40,556.21 = 19,688.71 : x
  2. Step 2: Convert to fraction form
    27,037.48/40,556.21 = 19,688.71/x
  3. Step 3: Cross multiply
    27,037.48x = 40,556.21 × 19,688.71
  4. Step 4: Simplify right side
    27,037.48x = 798,499,303.83
  5. Step 5: Solve for x
    x = 798,499,303.83/27,037.48
  6. Step 6: Final answer
    x = 29,533.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.