Home / 66,741.55-92,072.22-38,430.83

Finding the Fourth Proportional to 66,741.55, 92,072.22 and 38,430.83

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Solution

The fourth proportional to 66,741.55, 92,072.22 and 38,430.83 is: 53,016.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,741.55 : 92,072.22 = 38,430.83 : x
  2. Step 2: Convert to fraction form
    66,741.55/92,072.22 = 38,430.83/x
  3. Step 3: Cross multiply
    66,741.55x = 92,072.22 × 38,430.83
  4. Step 4: Simplify right side
    66,741.55x = 3,538,411,834.54
  5. Step 5: Solve for x
    x = 3,538,411,834.54/66,741.55
  6. Step 6: Final answer
    x = 53,016.63

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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.