Home / 39,895.68-55,050.11-22,900.57

Finding the Fourth Proportional to 39,895.68, 55,050.11 and 22,900.57

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Solution

The fourth proportional to 39,895.68, 55,050.11 and 22,900.57 is: 31,599.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,895.68 : 55,050.11 = 22,900.57 : x
  2. Step 2: Convert to fraction form
    39,895.68/55,050.11 = 22,900.57/x
  3. Step 3: Cross multiply
    39,895.68x = 55,050.11 × 22,900.57
  4. Step 4: Simplify right side
    39,895.68x = 1,260,678,731.31
  5. Step 5: Solve for x
    x = 1,260,678,731.31/39,895.68
  6. Step 6: Final answer
    x = 31,599.38

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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.