Home / 48,518.58-72,777.87-13,458.23

Finding the Fourth Proportional to 48,518.58, 72,777.87 and 13,458.23

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Solution

The fourth proportional to 48,518.58, 72,777.87 and 13,458.23 is: 20,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,518.58 : 72,777.87 = 13,458.23 : x
  2. Step 2: Convert to fraction form
    48,518.58/72,777.87 = 13,458.23/x
  3. Step 3: Cross multiply
    48,518.58x = 72,777.87 × 13,458.23
  4. Step 4: Simplify right side
    48,518.58x = 979,461,593.92
  5. Step 5: Solve for x
    x = 979,461,593.92/48,518.58
  6. Step 6: Final answer
    x = 20,187.35

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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.