Home / 48,611.34-72,889.20-28,903.68

Finding the Fourth Proportional to 48,611.34, 72,889.20 and 28,903.68

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Solution

The fourth proportional to 48,611.34, 72,889.20 and 28,903.68 is: 43,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,611.34 : 72,889.20 = 28,903.68 : x
  2. Step 2: Convert to fraction form
    48,611.34/72,889.20 = 28,903.68/x
  3. Step 3: Cross multiply
    48,611.34x = 72,889.20 × 28,903.68
  4. Step 4: Simplify right side
    48,611.34x = 2,106,766,112.26
  5. Step 5: Solve for x
    x = 2,106,766,112.26/48,611.34
  6. Step 6: Final answer
    x = 43,338.98

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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.