Home / 51,383.34-70,907.94-28,721.70

Finding the Fourth Proportional to 51,383.34, 70,907.94 and 28,721.70

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Solution

The fourth proportional to 51,383.34, 70,907.94 and 28,721.70 is: 39,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,383.34 : 70,907.94 = 28,721.70 : x
  2. Step 2: Convert to fraction form
    51,383.34/70,907.94 = 28,721.70/x
  3. Step 3: Cross multiply
    51,383.34x = 70,907.94 × 28,721.70
  4. Step 4: Simplify right side
    51,383.34x = 2,036,596,580.30
  5. Step 5: Solve for x
    x = 2,036,596,580.30/51,383.34
  6. Step 6: Final answer
    x = 39,635.35

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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.