Home / 47,678.78-65,798.73-26,458.07

Finding the Fourth Proportional to 47,678.78, 65,798.73 and 26,458.07

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Solution

The fourth proportional to 47,678.78, 65,798.73 and 26,458.07 is: 36,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,678.78 : 65,798.73 = 26,458.07 : x
  2. Step 2: Convert to fraction form
    47,678.78/65,798.73 = 26,458.07/x
  3. Step 3: Cross multiply
    47,678.78x = 65,798.73 × 26,458.07
  4. Step 4: Simplify right side
    47,678.78x = 1,740,907,075.26
  5. Step 5: Solve for x
    x = 1,740,907,075.26/47,678.78
  6. Step 6: Final answer
    x = 36,513.25

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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.