Home / 64,977.63-89,669.15-36,685.14

Finding the Fourth Proportional to 64,977.63, 89,669.15 and 36,685.14

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Solution

The fourth proportional to 64,977.63, 89,669.15 and 36,685.14 is: 50,625.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.63 : 89,669.15 = 36,685.14 : x
  2. Step 2: Convert to fraction form
    64,977.63/89,669.15 = 36,685.14/x
  3. Step 3: Cross multiply
    64,977.63x = 89,669.15 × 36,685.14
  4. Step 4: Simplify right side
    64,977.63x = 3,289,524,689.66
  5. Step 5: Solve for x
    x = 3,289,524,689.66/64,977.63
  6. Step 6: Final answer
    x = 50,625.50

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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.