Home / 53,599.26-80,400.11-20,334.99

Finding the Fourth Proportional to 53,599.26, 80,400.11 and 20,334.99

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Solution

The fourth proportional to 53,599.26, 80,400.11 and 20,334.99 is: 30,502.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,599.26 : 80,400.11 = 20,334.99 : x
  2. Step 2: Convert to fraction form
    53,599.26/80,400.11 = 20,334.99/x
  3. Step 3: Cross multiply
    53,599.26x = 80,400.11 × 20,334.99
  4. Step 4: Simplify right side
    53,599.26x = 1,634,935,331.17
  5. Step 5: Solve for x
    x = 1,634,935,331.17/53,599.26
  6. Step 6: Final answer
    x = 30,502.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.