Home / 47,270.61-70,904.46-19,189.98

Finding the Fourth Proportional to 47,270.61, 70,904.46 and 19,189.98

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Solution

The fourth proportional to 47,270.61, 70,904.46 and 19,189.98 is: 28,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,270.61 : 70,904.46 = 19,189.98 : x
  2. Step 2: Convert to fraction form
    47,270.61/70,904.46 = 19,189.98/x
  3. Step 3: Cross multiply
    47,270.61x = 70,904.46 × 19,189.98
  4. Step 4: Simplify right side
    47,270.61x = 1,360,655,241.27
  5. Step 5: Solve for x
    x = 1,360,655,241.27/47,270.61
  6. Step 6: Final answer
    x = 28,784.38

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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.