Home / 67,071.75-92,559.02-38,779.26

Finding the Fourth Proportional to 67,071.75, 92,559.02 and 38,779.26

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Solution

The fourth proportional to 67,071.75, 92,559.02 and 38,779.26 is: 53,515.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,071.75 : 92,559.02 = 38,779.26 : x
  2. Step 2: Convert to fraction form
    67,071.75/92,559.02 = 38,779.26/x
  3. Step 3: Cross multiply
    67,071.75x = 92,559.02 × 38,779.26
  4. Step 4: Simplify right side
    67,071.75x = 3,589,370,301.93
  5. Step 5: Solve for x
    x = 3,589,370,301.93/67,071.75
  6. Step 6: Final answer
    x = 53,515.38

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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.