Home / 47,339.40-65,335.50-28,480.44

Finding the Fourth Proportional to 47,339.40, 65,335.50 and 28,480.44

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Solution

The fourth proportional to 47,339.40, 65,335.50 and 28,480.44 is: 39,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,339.40 : 65,335.50 = 28,480.44 : x
  2. Step 2: Convert to fraction form
    47,339.40/65,335.50 = 28,480.44/x
  3. Step 3: Cross multiply
    47,339.40x = 65,335.50 × 28,480.44
  4. Step 4: Simplify right side
    47,339.40x = 1,860,783,787.62
  5. Step 5: Solve for x
    x = 1,860,783,787.62/47,339.40
  6. Step 6: Final answer
    x = 39,307.30

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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.