Home / 47,603.16-65,682.90-28,741.32

Finding the Fourth Proportional to 47,603.16, 65,682.90 and 28,741.32

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Solution

The fourth proportional to 47,603.16, 65,682.90 and 28,741.32 is: 39,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,603.16 : 65,682.90 = 28,741.32 : x
  2. Step 2: Convert to fraction form
    47,603.16/65,682.90 = 28,741.32/x
  3. Step 3: Cross multiply
    47,603.16x = 65,682.90 × 28,741.32
  4. Step 4: Simplify right side
    47,603.16x = 1,887,813,247.43
  5. Step 5: Solve for x
    x = 1,887,813,247.43/47,603.16
  6. Step 6: Final answer
    x = 39,657.31

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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.