Home / 47,790.87-65,948.88-26,280.21

Finding the Fourth Proportional to 47,790.87, 65,948.88 and 26,280.21

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Solution

The fourth proportional to 47,790.87, 65,948.88 and 26,280.21 is: 36,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,790.87 : 65,948.88 = 26,280.21 : x
  2. Step 2: Convert to fraction form
    47,790.87/65,948.88 = 26,280.21/x
  3. Step 3: Cross multiply
    47,790.87x = 65,948.88 × 26,280.21
  4. Step 4: Simplify right side
    47,790.87x = 1,733,150,415.66
  5. Step 5: Solve for x
    x = 1,733,150,415.66/47,790.87
  6. Step 6: Final answer
    x = 36,265.30

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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.