Home / 51,452.19-71,000.64-28,787.22

Finding the Fourth Proportional to 51,452.19, 71,000.64 and 28,787.22

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Solution

The fourth proportional to 51,452.19, 71,000.64 and 28,787.22 is: 39,724.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,452.19 : 71,000.64 = 28,787.22 : x
  2. Step 2: Convert to fraction form
    51,452.19/71,000.64 = 28,787.22/x
  3. Step 3: Cross multiply
    51,452.19x = 71,000.64 × 28,787.22
  4. Step 4: Simplify right side
    51,452.19x = 2,043,911,043.82
  5. Step 5: Solve for x
    x = 2,043,911,043.82/51,452.19
  6. Step 6: Final answer
    x = 39,724.47

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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.