Home / 37,957.25-56,897.78-12,980.23

Finding the Fourth Proportional to 37,957.25, 56,897.78 and 12,980.23

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Solution

The fourth proportional to 37,957.25, 56,897.78 and 12,980.23 is: 19,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,957.25 : 56,897.78 = 12,980.23 : x
  2. Step 2: Convert to fraction form
    37,957.25/56,897.78 = 12,980.23/x
  3. Step 3: Cross multiply
    37,957.25x = 56,897.78 × 12,980.23
  4. Step 4: Simplify right side
    37,957.25x = 738,546,063.74
  5. Step 5: Solve for x
    x = 738,546,063.74/37,957.25
  6. Step 6: Final answer
    x = 19,457.31

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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.