Home / 51,938.72-71,675.76-39,341.60

Finding the Fourth Proportional to 51,938.72, 71,675.76 and 39,341.60

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Solution

The fourth proportional to 51,938.72, 71,675.76 and 39,341.60 is: 54,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.72 : 71,675.76 = 39,341.60 : x
  2. Step 2: Convert to fraction form
    51,938.72/71,675.76 = 39,341.60/x
  3. Step 3: Cross multiply
    51,938.72x = 71,675.76 × 39,341.60
  4. Step 4: Simplify right side
    51,938.72x = 2,819,839,079.62
  5. Step 5: Solve for x
    x = 2,819,839,079.62/51,938.72
  6. Step 6: Final answer
    x = 54,291.66

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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.