Home / 51,460.20-71,018.50-28,801.16

Finding the Fourth Proportional to 51,460.20, 71,018.50 and 28,801.16

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Solution

The fourth proportional to 51,460.20, 71,018.50 and 28,801.16 is: 39,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,460.20 : 71,018.50 = 28,801.16 : x
  2. Step 2: Convert to fraction form
    51,460.20/71,018.50 = 28,801.16/x
  3. Step 3: Cross multiply
    51,460.20x = 71,018.50 × 28,801.16
  4. Step 4: Simplify right side
    51,460.20x = 2,045,415,181.46
  5. Step 5: Solve for x
    x = 2,045,415,181.46/51,460.20
  6. Step 6: Final answer
    x = 39,747.52

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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.