Home / 60,790.08-91,108.40-30,811.84

Finding the Fourth Proportional to 60,790.08, 91,108.40 and 30,811.84

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Solution

The fourth proportional to 60,790.08, 91,108.40 and 30,811.84 is: 46,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,790.08 : 91,108.40 = 30,811.84 : x
  2. Step 2: Convert to fraction form
    60,790.08/91,108.40 = 30,811.84/x
  3. Step 3: Cross multiply
    60,790.08x = 91,108.40 × 30,811.84
  4. Step 4: Simplify right side
    60,790.08x = 2,807,217,443.46
  5. Step 5: Solve for x
    x = 2,807,217,443.46/60,790.08
  6. Step 6: Final answer
    x = 46,178.87

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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.