Home / 51,416.77-70,954.65-28,755.50

Finding the Fourth Proportional to 51,416.77, 70,954.65 and 28,755.50

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Solution

The fourth proportional to 51,416.77, 70,954.65 and 28,755.50 is: 39,682.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416.77 : 70,954.65 = 28,755.50 : x
  2. Step 2: Convert to fraction form
    51,416.77/70,954.65 = 28,755.50/x
  3. Step 3: Cross multiply
    51,416.77x = 70,954.65 × 28,755.50
  4. Step 4: Simplify right side
    51,416.77x = 2,040,335,939.52
  5. Step 5: Solve for x
    x = 2,040,335,939.52/51,416.77
  6. Step 6: Final answer
    x = 39,682.31

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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.