Home / 67,158.10-92,670.90-38,858.50

Finding the Fourth Proportional to 67,158.10, 92,670.90 and 38,858.50

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Solution

The fourth proportional to 67,158.10, 92,670.90 and 38,858.50 is: 53,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,158.10 : 92,670.90 = 38,858.50 : x
  2. Step 2: Convert to fraction form
    67,158.10/92,670.90 = 38,858.50/x
  3. Step 3: Cross multiply
    67,158.10x = 92,670.90 × 38,858.50
  4. Step 4: Simplify right side
    67,158.10x = 3,601,052,167.65
  5. Step 5: Solve for x
    x = 3,601,052,167.65/67,158.10
  6. Step 6: Final answer
    x = 53,620.52

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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.