Home / 35,436.08-48,902.04-20,329.40

Finding the Fourth Proportional to 35,436.08, 48,902.04 and 20,329.40

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Solution

The fourth proportional to 35,436.08, 48,902.04 and 20,329.40 is: 28,054.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,436.08 : 48,902.04 = 20,329.40 : x
  2. Step 2: Convert to fraction form
    35,436.08/48,902.04 = 20,329.40/x
  3. Step 3: Cross multiply
    35,436.08x = 48,902.04 × 20,329.40
  4. Step 4: Simplify right side
    35,436.08x = 994,149,131.98
  5. Step 5: Solve for x
    x = 994,149,131.98/35,436.08
  6. Step 6: Final answer
    x = 28,054.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.