Home / 79,537.65-119,303.73-20,373.90

Finding the Fourth Proportional to 79,537.65, 119,303.73 and 20,373.90

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Solution

The fourth proportional to 79,537.65, 119,303.73 and 20,373.90 is: 30,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.65 : 119,303.73 = 20,373.90 : x
  2. Step 2: Convert to fraction form
    79,537.65/119,303.73 = 20,373.90/x
  3. Step 3: Cross multiply
    79,537.65x = 119,303.73 × 20,373.90
  4. Step 4: Simplify right side
    79,537.65x = 2,430,682,264.65
  5. Step 5: Solve for x
    x = 2,430,682,264.65/79,537.65
  6. Step 6: Final answer
    x = 30,560.15

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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.