Home / 53,619.93-74,001.90-30,964.44

Finding the Fourth Proportional to 53,619.93, 74,001.90 and 30,964.44

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Solution

The fourth proportional to 53,619.93, 74,001.90 and 30,964.44 is: 42,734.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.93 : 74,001.90 = 30,964.44 : x
  2. Step 2: Convert to fraction form
    53,619.93/74,001.90 = 30,964.44/x
  3. Step 3: Cross multiply
    53,619.93x = 74,001.90 × 30,964.44
  4. Step 4: Simplify right side
    53,619.93x = 2,291,427,392.44
  5. Step 5: Solve for x
    x = 2,291,427,392.44/53,619.93
  6. Step 6: Final answer
    x = 42,734.62

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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.