Home / 54,296.01-74,926.40-30,421.49

Finding the Fourth Proportional to 54,296.01, 74,926.40 and 30,421.49

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Solution

The fourth proportional to 54,296.01, 74,926.40 and 30,421.49 is: 41,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,296.01 : 74,926.40 = 30,421.49 : x
  2. Step 2: Convert to fraction form
    54,296.01/74,926.40 = 30,421.49/x
  3. Step 3: Cross multiply
    54,296.01x = 74,926.40 × 30,421.49
  4. Step 4: Simplify right side
    54,296.01x = 2,279,372,201.60
  5. Step 5: Solve for x
    x = 2,279,372,201.60/54,296.01
  6. Step 6: Final answer
    x = 41,980.47

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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.