Home / 47,271.61-70,905.96-19,190.98

Finding the Fourth Proportional to 47,271.61, 70,905.96 and 19,190.98

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Solution

The fourth proportional to 47,271.61, 70,905.96 and 19,190.98 is: 28,785.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,271.61 : 70,905.96 = 19,190.98 : x
  2. Step 2: Convert to fraction form
    47,271.61/70,905.96 = 19,190.98/x
  3. Step 3: Cross multiply
    47,271.61x = 70,905.96 × 19,190.98
  4. Step 4: Simplify right side
    47,271.61x = 1,360,754,860.24
  5. Step 5: Solve for x
    x = 1,360,754,860.24/47,271.61
  6. Step 6: Final answer
    x = 28,785.88

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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.