Home / 30,051.83-41,458.50-18,108.38

Finding the Fourth Proportional to 30,051.83, 41,458.50 and 18,108.38

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Solution

The fourth proportional to 30,051.83, 41,458.50 and 18,108.38 is: 24,981.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,051.83 : 41,458.50 = 18,108.38 : x
  2. Step 2: Convert to fraction form
    30,051.83/41,458.50 = 18,108.38/x
  3. Step 3: Cross multiply
    30,051.83x = 41,458.50 × 18,108.38
  4. Step 4: Simplify right side
    30,051.83x = 750,746,272.23
  5. Step 5: Solve for x
    x = 750,746,272.23/30,051.83
  6. Step 6: Final answer
    x = 24,981.72

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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.