Home / 48,492.24-72,738.45-13,431.99

Finding the Fourth Proportional to 48,492.24, 72,738.45 and 13,431.99

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Solution

The fourth proportional to 48,492.24, 72,738.45 and 13,431.99 is: 20,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,492.24 : 72,738.45 = 13,431.99 : x
  2. Step 2: Convert to fraction form
    48,492.24/72,738.45 = 13,431.99/x
  3. Step 3: Cross multiply
    48,492.24x = 72,738.45 × 13,431.99
  4. Step 4: Simplify right side
    48,492.24x = 977,022,133.02
  5. Step 5: Solve for x
    x = 977,022,133.02/48,492.24
  6. Step 6: Final answer
    x = 20,148.01

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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.