Home / 51,013.30-76,525.77-13,574.92

Finding the Fourth Proportional to 51,013.30, 76,525.77 and 13,574.92

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Solution

The fourth proportional to 51,013.30, 76,525.77 and 13,574.92 is: 20,363.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,013.30 : 76,525.77 = 13,574.92 : x
  2. Step 2: Convert to fraction form
    51,013.30/76,525.77 = 13,574.92/x
  3. Step 3: Cross multiply
    51,013.30x = 76,525.77 × 13,574.92
  4. Step 4: Simplify right side
    51,013.30x = 1,038,831,205.69
  5. Step 5: Solve for x
    x = 1,038,831,205.69/51,013.30
  6. Step 6: Final answer
    x = 20,363.93

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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.