Home / 47,420.08-65,441.02-28,310.96

Finding the Fourth Proportional to 47,420.08, 65,441.02 and 28,310.96

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Solution

The fourth proportional to 47,420.08, 65,441.02 and 28,310.96 is: 39,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420.08 : 65,441.02 = 28,310.96 : x
  2. Step 2: Convert to fraction form
    47,420.08/65,441.02 = 28,310.96/x
  3. Step 3: Cross multiply
    47,420.08x = 65,441.02 × 28,310.96
  4. Step 4: Simplify right side
    47,420.08x = 1,852,698,099.58
  5. Step 5: Solve for x
    x = 1,852,698,099.58/47,420.08
  6. Step 6: Final answer
    x = 39,069.91

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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.