Home / 37,271.54-55,909.06-12,313.82

Finding the Fourth Proportional to 37,271.54, 55,909.06 and 12,313.82

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Solution

The fourth proportional to 37,271.54, 55,909.06 and 12,313.82 is: 18,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,271.54 : 55,909.06 = 12,313.82 : x
  2. Step 2: Convert to fraction form
    37,271.54/55,909.06 = 12,313.82/x
  3. Step 3: Cross multiply
    37,271.54x = 55,909.06 × 12,313.82
  4. Step 4: Simplify right side
    37,271.54x = 688,454,101.21
  5. Step 5: Solve for x
    x = 688,454,101.21/37,271.54
  6. Step 6: Final answer
    x = 18,471.31

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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.