Home / 50,663.04-69,912.81-28,000.86

Finding the Fourth Proportional to 50,663.04, 69,912.81 and 28,000.86

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Solution

The fourth proportional to 50,663.04, 69,912.81 and 28,000.86 is: 38,639.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,663.04 : 69,912.81 = 28,000.86 : x
  2. Step 2: Convert to fraction form
    50,663.04/69,912.81 = 28,000.86/x
  3. Step 3: Cross multiply
    50,663.04x = 69,912.81 × 28,000.86
  4. Step 4: Simplify right side
    50,663.04x = 1,957,618,805.02
  5. Step 5: Solve for x
    x = 1,957,618,805.02/50,663.04
  6. Step 6: Final answer
    x = 38,639.98

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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.