Home / 51,802.40-77,725.20-16,752.80

Finding the Fourth Proportional to 51,802.40, 77,725.20 and 16,752.80

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Solution

The fourth proportional to 51,802.40, 77,725.20 and 16,752.80 is: 25,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,802.40 : 77,725.20 = 16,752.80 : x
  2. Step 2: Convert to fraction form
    51,802.40/77,725.20 = 16,752.80/x
  3. Step 3: Cross multiply
    51,802.40x = 77,725.20 × 16,752.80
  4. Step 4: Simplify right side
    51,802.40x = 1,302,114,730.56
  5. Step 5: Solve for x
    x = 1,302,114,730.56/51,802.40
  6. Step 6: Final answer
    x = 25,136.19

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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.