Home / 53,619.76-73,998.59-30,962.85

Finding the Fourth Proportional to 53,619.76, 73,998.59 and 30,962.85

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Solution

The fourth proportional to 53,619.76, 73,998.59 and 30,962.85 is: 42,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,619.76 : 73,998.59 = 30,962.85 : x
  2. Step 2: Convert to fraction form
    53,619.76/73,998.59 = 30,962.85/x
  3. Step 3: Cross multiply
    53,619.76x = 73,998.59 × 30,962.85
  4. Step 4: Simplify right side
    53,619.76x = 2,291,207,242.38
  5. Step 5: Solve for x
    x = 2,291,207,242.38/53,619.76
  6. Step 6: Final answer
    x = 42,730.65

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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.