Home / 48,518.34-72,777.48-13,458

Finding the Fourth Proportional to 48,518.34, 72,777.48 and 13,458

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Solution

The fourth proportional to 48,518.34, 72,777.48 and 13,458 is: 20,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,518.34 : 72,777.48 = 13,458 : x
  2. Step 2: Convert to fraction form
    48,518.34/72,777.48 = 13,458/x
  3. Step 3: Cross multiply
    48,518.34x = 72,777.48 × 13,458
  4. Step 4: Simplify right side
    48,518.34x = 979,439,325.84
  5. Step 5: Solve for x
    x = 979,439,325.84/48,518.34
  6. Step 6: Final answer
    x = 20,186.99

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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.