Home / 51,284.49-70,776.14-28,627.88

Finding the Fourth Proportional to 51,284.49, 70,776.14 and 28,627.88

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Solution

The fourth proportional to 51,284.49, 70,776.14 and 28,627.88 is: 39,508.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,284.49 : 70,776.14 = 28,627.88 : x
  2. Step 2: Convert to fraction form
    51,284.49/70,776.14 = 28,627.88/x
  3. Step 3: Cross multiply
    51,284.49x = 70,776.14 × 28,627.88
  4. Step 4: Simplify right side
    51,284.49x = 2,026,170,842.78
  5. Step 5: Solve for x
    x = 2,026,170,842.78/51,284.49
  6. Step 6: Final answer
    x = 39,508.45

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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.