Home / 30,591.15-45,903.45-11,871.93

Finding the Fourth Proportional to 30,591.15, 45,903.45 and 11,871.93

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Solution

The fourth proportional to 30,591.15, 45,903.45 and 11,871.93 is: 17,814.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,591.15 : 45,903.45 = 11,871.93 : x
  2. Step 2: Convert to fraction form
    30,591.15/45,903.45 = 11,871.93/x
  3. Step 3: Cross multiply
    30,591.15x = 45,903.45 × 11,871.93
  4. Step 4: Simplify right side
    30,591.15x = 544,962,545.16
  5. Step 5: Solve for x
    x = 544,962,545.16/30,591.15
  6. Step 6: Final answer
    x = 17,814.39

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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.