Home / 28,937.83-43,361.84-20,070.45

Finding the Fourth Proportional to 28,937.83, 43,361.84 and 20,070.45

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Solution

The fourth proportional to 28,937.83, 43,361.84 and 20,070.45 is: 30,074.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.83 : 43,361.84 = 20,070.45 : x
  2. Step 2: Convert to fraction form
    28,937.83/43,361.84 = 20,070.45/x
  3. Step 3: Cross multiply
    28,937.83x = 43,361.84 × 20,070.45
  4. Step 4: Simplify right side
    28,937.83x = 870,291,324.47
  5. Step 5: Solve for x
    x = 870,291,324.47/28,937.83
  6. Step 6: Final answer
    x = 30,074.52

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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.