Home / 48,056.60-72,110.72-19,996

Finding the Fourth Proportional to 48,056.60, 72,110.72 and 19,996

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Solution

The fourth proportional to 48,056.60, 72,110.72 and 19,996 is: 30,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,056.60 : 72,110.72 = 19,996 : x
  2. Step 2: Convert to fraction form
    48,056.60/72,110.72 = 19,996/x
  3. Step 3: Cross multiply
    48,056.60x = 72,110.72 × 19,996
  4. Step 4: Simplify right side
    48,056.60x = 1,441,925,957.12
  5. Step 5: Solve for x
    x = 1,441,925,957.12/48,056.60
  6. Step 6: Final answer
    x = 30,004.74

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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.