Home / 53,492.40-80,251.29-18,431.01

Finding the Fourth Proportional to 53,492.40, 80,251.29 and 18,431.01

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Solution

The fourth proportional to 53,492.40, 80,251.29 and 18,431.01 is: 27,650.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,492.40 : 80,251.29 = 18,431.01 : x
  2. Step 2: Convert to fraction form
    53,492.40/80,251.29 = 18,431.01/x
  3. Step 3: Cross multiply
    53,492.40x = 80,251.29 × 18,431.01
  4. Step 4: Simplify right side
    53,492.40x = 1,479,112,328.50
  5. Step 5: Solve for x
    x = 1,479,112,328.50/53,492.40
  6. Step 6: Final answer
    x = 27,650.89

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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.