Home / 30,378.10-41,904.93-17,800.42

Finding the Fourth Proportional to 30,378.10, 41,904.93 and 17,800.42

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Solution

The fourth proportional to 30,378.10, 41,904.93 and 17,800.42 is: 24,554.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.10 : 41,904.93 = 17,800.42 : x
  2. Step 2: Convert to fraction form
    30,378.10/41,904.93 = 17,800.42/x
  3. Step 3: Cross multiply
    30,378.10x = 41,904.93 × 17,800.42
  4. Step 4: Simplify right side
    30,378.10x = 745,925,354.07
  5. Step 5: Solve for x
    x = 745,925,354.07/30,378.10
  6. Step 6: Final answer
    x = 24,554.71

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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.