Home / 67,071.50-92,558.68-38,779.02

Finding the Fourth Proportional to 67,071.50, 92,558.68 and 38,779.02

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Solution

The fourth proportional to 67,071.50, 92,558.68 and 38,779.02 is: 53,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,071.50 : 92,558.68 = 38,779.02 : x
  2. Step 2: Convert to fraction form
    67,071.50/92,558.68 = 38,779.02/x
  3. Step 3: Cross multiply
    67,071.50x = 92,558.68 × 38,779.02
  4. Step 4: Simplify right side
    67,071.50x = 3,589,334,902.89
  5. Step 5: Solve for x
    x = 3,589,334,902.89/67,071.50
  6. Step 6: Final answer
    x = 53,515.05

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Half scale
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Double scale
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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.