Home / 38,438.69-57,623.00-13,465.17

Finding the Fourth Proportional to 38,438.69, 57,623.00 and 13,465.17

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Solution

The fourth proportional to 38,438.69, 57,623.00 and 13,465.17 is: 20,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,438.69 : 57,623.00 = 13,465.17 : x
  2. Step 2: Convert to fraction form
    38,438.69/57,623.00 = 13,465.17/x
  3. Step 3: Cross multiply
    38,438.69x = 57,623.00 × 13,465.17
  4. Step 4: Simplify right side
    38,438.69x = 775,903,423.58
  5. Step 5: Solve for x
    x = 775,903,423.58/38,438.69
  6. Step 6: Final answer
    x = 20,185.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.