Home / 51,076.36-70,484.70-28,720.36

Finding the Fourth Proportional to 51,076.36, 70,484.70 and 28,720.36

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Solution

The fourth proportional to 51,076.36, 70,484.70 and 28,720.36 is: 39,633.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,076.36 : 70,484.70 = 28,720.36 : x
  2. Step 2: Convert to fraction form
    51,076.36/70,484.70 = 28,720.36/x
  3. Step 3: Cross multiply
    51,076.36x = 70,484.70 × 28,720.36
  4. Step 4: Simplify right side
    51,076.36x = 2,024,345,958.49
  5. Step 5: Solve for x
    x = 2,024,345,958.49/51,076.36
  6. Step 6: Final answer
    x = 39,633.72

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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.