Home / 58,740.06-88,107-20,786.70

Finding the Fourth Proportional to 58,740.06, 88,107 and 20,786.70

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Solution

The fourth proportional to 58,740.06, 88,107 and 20,786.70 is: 31,178.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,740.06 : 88,107 = 20,786.70 : x
  2. Step 2: Convert to fraction form
    58,740.06/88,107 = 20,786.70/x
  3. Step 3: Cross multiply
    58,740.06x = 88,107 × 20,786.70
  4. Step 4: Simplify right side
    58,740.06x = 1,831,453,776.90
  5. Step 5: Solve for x
    x = 1,831,453,776.90/58,740.06
  6. Step 6: Final answer
    x = 31,178.96

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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.