Home / 30,199.56-45,253.14-12,659.82

Finding the Fourth Proportional to 30,199.56, 45,253.14 and 12,659.82

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Solution

The fourth proportional to 30,199.56, 45,253.14 and 12,659.82 is: 18,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.56 : 45,253.14 = 12,659.82 : x
  2. Step 2: Convert to fraction form
    30,199.56/45,253.14 = 12,659.82/x
  3. Step 3: Cross multiply
    30,199.56x = 45,253.14 × 12,659.82
  4. Step 4: Simplify right side
    30,199.56x = 572,896,606.83
  5. Step 5: Solve for x
    x = 572,896,606.83/30,199.56
  6. Step 6: Final answer
    x = 18,970.36

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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.