Home / 50,756.63-70,044.14-28,400.63

Finding the Fourth Proportional to 50,756.63, 70,044.14 and 28,400.63

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Solution

The fourth proportional to 50,756.63, 70,044.14 and 28,400.63 is: 39,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.63 : 70,044.14 = 28,400.63 : x
  2. Step 2: Convert to fraction form
    50,756.63/70,044.14 = 28,400.63/x
  3. Step 3: Cross multiply
    50,756.63x = 70,044.14 × 28,400.63
  4. Step 4: Simplify right side
    50,756.63x = 1,989,297,424.59
  5. Step 5: Solve for x
    x = 1,989,297,424.59/50,756.63
  6. Step 6: Final answer
    x = 39,192.86

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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.