Home / 40,946.88-56,446.56-28,973.28

Finding the Fourth Proportional to 40,946.88, 56,446.56 and 28,973.28

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Solution

The fourth proportional to 40,946.88, 56,446.56 and 28,973.28 is: 39,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,946.88 : 56,446.56 = 28,973.28 : x
  2. Step 2: Convert to fraction form
    40,946.88/56,446.56 = 28,973.28/x
  3. Step 3: Cross multiply
    40,946.88x = 56,446.56 × 28,973.28
  4. Step 4: Simplify right side
    40,946.88x = 1,635,441,987.92
  5. Step 5: Solve for x
    x = 1,635,441,987.92/40,946.88
  6. Step 6: Final answer
    x = 39,940.58

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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.