Home / 51,420.30-77,127.21-16,385.10

Finding the Fourth Proportional to 51,420.30, 77,127.21 and 16,385.10

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Solution

The fourth proportional to 51,420.30, 77,127.21 and 16,385.10 is: 24,576.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,420.30 : 77,127.21 = 16,385.10 : x
  2. Step 2: Convert to fraction form
    51,420.30/77,127.21 = 16,385.10/x
  3. Step 3: Cross multiply
    51,420.30x = 77,127.21 × 16,385.10
  4. Step 4: Simplify right side
    51,420.30x = 1,263,737,048.57
  5. Step 5: Solve for x
    x = 1,263,737,048.57/51,420.30
  6. Step 6: Final answer
    x = 24,576.62

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1.5x scale

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.