Home / 48,433.24-72,659.84-20,336.77

Finding the Fourth Proportional to 48,433.24, 72,659.84 and 20,336.77

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Solution

The fourth proportional to 48,433.24, 72,659.84 and 20,336.77 is: 30,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,433.24 : 72,659.84 = 20,336.77 : x
  2. Step 2: Convert to fraction form
    48,433.24/72,659.84 = 20,336.77/x
  3. Step 3: Cross multiply
    48,433.24x = 72,659.84 × 20,336.77
  4. Step 4: Simplify right side
    48,433.24x = 1,477,666,454.32
  5. Step 5: Solve for x
    x = 1,477,666,454.32/48,433.24
  6. Step 6: Final answer
    x = 30,509.35

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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.