Home / 48,449.49-72,611.35-21,775.77

Finding the Fourth Proportional to 48,449.49, 72,611.35 and 21,775.77

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Solution

The fourth proportional to 48,449.49, 72,611.35 and 21,775.77 is: 32,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,449.49 : 72,611.35 = 21,775.77 : x
  2. Step 2: Convert to fraction form
    48,449.49/72,611.35 = 21,775.77/x
  3. Step 3: Cross multiply
    48,449.49x = 72,611.35 × 21,775.77
  4. Step 4: Simplify right side
    48,449.49x = 1,581,168,056.99
  5. Step 5: Solve for x
    x = 1,581,168,056.99/48,449.49
  6. Step 6: Final answer
    x = 32,635.39

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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.