Home / 30,049.95-41,502.97-20,473.22

Finding the Fourth Proportional to 30,049.95, 41,502.97 and 20,473.22

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Solution

The fourth proportional to 30,049.95, 41,502.97 and 20,473.22 is: 28,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.95 : 41,502.97 = 20,473.22 : x
  2. Step 2: Convert to fraction form
    30,049.95/41,502.97 = 20,473.22/x
  3. Step 3: Cross multiply
    30,049.95x = 41,502.97 × 20,473.22
  4. Step 4: Simplify right side
    30,049.95x = 849,699,564.81
  5. Step 5: Solve for x
    x = 849,699,564.81/30,049.95
  6. Step 6: Final answer
    x = 28,276.24

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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.