Home / 47,336.40-65,331.36-28,477.44

Finding the Fourth Proportional to 47,336.40, 65,331.36 and 28,477.44

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Solution

The fourth proportional to 47,336.40, 65,331.36 and 28,477.44 is: 39,303.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,336.40 : 65,331.36 = 28,477.44 : x
  2. Step 2: Convert to fraction form
    47,336.40/65,331.36 = 28,477.44/x
  3. Step 3: Cross multiply
    47,336.40x = 65,331.36 × 28,477.44
  4. Step 4: Simplify right side
    47,336.40x = 1,860,469,884.52
  5. Step 5: Solve for x
    x = 1,860,469,884.52/47,336.40
  6. Step 6: Final answer
    x = 39,303.16

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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.