Home / 67,280.63-92,847.26-39,002.72

Finding the Fourth Proportional to 67,280.63, 92,847.26 and 39,002.72

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Solution

The fourth proportional to 67,280.63, 92,847.26 and 39,002.72 is: 53,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,280.63 : 92,847.26 = 39,002.72 : x
  2. Step 2: Convert to fraction form
    67,280.63/92,847.26 = 39,002.72/x
  3. Step 3: Cross multiply
    67,280.63x = 92,847.26 × 39,002.72
  4. Step 4: Simplify right side
    67,280.63x = 3,621,295,317.82
  5. Step 5: Solve for x
    x = 3,621,295,317.82/67,280.63
  6. Step 6: Final answer
    x = 53,823.75

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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.