Home / 48,436.08-72,630.72-20,348.16

Finding the Fourth Proportional to 48,436.08, 72,630.72 and 20,348.16

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Solution

The fourth proportional to 48,436.08, 72,630.72 and 20,348.16 is: 30,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,436.08 : 72,630.72 = 20,348.16 : x
  2. Step 2: Convert to fraction form
    48,436.08/72,630.72 = 20,348.16/x
  3. Step 3: Cross multiply
    48,436.08x = 72,630.72 × 20,348.16
  4. Step 4: Simplify right side
    48,436.08x = 1,477,901,511.48
  5. Step 5: Solve for x
    x = 1,477,901,511.48/48,436.08
  6. Step 6: Final answer
    x = 30,512.41

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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.