Home / 47,291.84-65,265.98-28,902.86

Finding the Fourth Proportional to 47,291.84, 65,265.98 and 28,902.86

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Solution

The fourth proportional to 47,291.84, 65,265.98 and 28,902.86 is: 39,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,291.84 : 65,265.98 = 28,902.86 : x
  2. Step 2: Convert to fraction form
    47,291.84/65,265.98 = 28,902.86/x
  3. Step 3: Cross multiply
    47,291.84x = 65,265.98 × 28,902.86
  4. Step 4: Simplify right side
    47,291.84x = 1,886,373,383.13
  5. Step 5: Solve for x
    x = 1,886,373,383.13/47,291.84
  6. Step 6: Final answer
    x = 39,887.92

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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.