Home / 51,537.40-71,120.58-28,876.12

Finding the Fourth Proportional to 51,537.40, 71,120.58 and 28,876.12

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Solution

The fourth proportional to 51,537.40, 71,120.58 and 28,876.12 is: 39,848.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,537.40 : 71,120.58 = 28,876.12 : x
  2. Step 2: Convert to fraction form
    51,537.40/71,120.58 = 28,876.12/x
  3. Step 3: Cross multiply
    51,537.40x = 71,120.58 × 28,876.12
  4. Step 4: Simplify right side
    51,537.40x = 2,053,686,402.55
  5. Step 5: Solve for x
    x = 2,053,686,402.55/51,537.40
  6. Step 6: Final answer
    x = 39,848.47

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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.