Home / 47,259.90-65,201.49-28,145.52

Finding the Fourth Proportional to 47,259.90, 65,201.49 and 28,145.52

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Solution

The fourth proportional to 47,259.90, 65,201.49 and 28,145.52 is: 38,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,259.90 : 65,201.49 = 28,145.52 : x
  2. Step 2: Convert to fraction form
    47,259.90/65,201.49 = 28,145.52/x
  3. Step 3: Cross multiply
    47,259.90x = 65,201.49 × 28,145.52
  4. Step 4: Simplify right side
    47,259.90x = 1,835,129,840.82
  5. Step 5: Solve for x
    x = 1,835,129,840.82/47,259.90
  6. Step 6: Final answer
    x = 38,830.59

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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.