Home / 48,284,503.55-72,439,585.73-20,979,079.55

Finding the Fourth Proportional to 48,284,503.55, 72,439,585.73 and 20,979,079.55

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Solution

The fourth proportional to 48,284,503.55, 72,439,585.73 and 20,979,079.55 is: 31,474,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284,503.55 : 72,439,585.73 = 20,979,079.55 : x
  2. Step 2: Convert to fraction form
    48,284,503.55/72,439,585.73 = 20,979,079.55/x
  3. Step 3: Cross multiply
    48,284,503.55x = 72,439,585.73 × 20,979,079.55
  4. Step 4: Simplify right side
    48,284,503.55x = 1,519,715,831,598,715
  5. Step 5: Solve for x
    x = 1,519,715,831,598,715/48,284,503.55
  6. Step 6: Final answer
    x = 31,474,193.99

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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.