Home / 51,243.96-70,716.78-28,582.39

Finding the Fourth Proportional to 51,243.96, 70,716.78 and 28,582.39

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Solution

The fourth proportional to 51,243.96, 70,716.78 and 28,582.39 is: 39,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.96 : 70,716.78 = 28,582.39 : x
  2. Step 2: Convert to fraction form
    51,243.96/70,716.78 = 28,582.39/x
  3. Step 3: Cross multiply
    51,243.96x = 70,716.78 × 28,582.39
  4. Step 4: Simplify right side
    51,243.96x = 2,021,254,408.71
  5. Step 5: Solve for x
    x = 2,021,254,408.71/51,243.96
  6. Step 6: Final answer
    x = 39,443.76

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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.