Home / 64,977.88-89,669.49-36,685.39

Finding the Fourth Proportional to 64,977.88, 89,669.49 and 36,685.39

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Solution

The fourth proportional to 64,977.88, 89,669.49 and 36,685.39 is: 50,625.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.88 : 89,669.49 = 36,685.39 : x
  2. Step 2: Convert to fraction form
    64,977.88/89,669.49 = 36,685.39/x
  3. Step 3: Cross multiply
    64,977.88x = 89,669.49 × 36,685.39
  4. Step 4: Simplify right side
    64,977.88x = 3,289,559,763.40
  5. Step 5: Solve for x
    x = 3,289,559,763.40/64,977.88
  6. Step 6: Final answer
    x = 50,625.84

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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.