Home / 53,541.62-73,886.20-30,880.65

Finding the Fourth Proportional to 53,541.62, 73,886.20 and 30,880.65

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Solution

The fourth proportional to 53,541.62, 73,886.20 and 30,880.65 is: 42,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,541.62 : 73,886.20 = 30,880.65 : x
  2. Step 2: Convert to fraction form
    53,541.62/73,886.20 = 30,880.65/x
  3. Step 3: Cross multiply
    53,541.62x = 73,886.20 × 30,880.65
  4. Step 4: Simplify right side
    53,541.62x = 2,281,653,882.03
  5. Step 5: Solve for x
    x = 2,281,653,882.03/53,541.62
  6. Step 6: Final answer
    x = 42,614.58

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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.