Home / 51,200.28-76,800.36-14,264.28

Finding the Fourth Proportional to 51,200.28, 76,800.36 and 14,264.28

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Solution

The fourth proportional to 51,200.28, 76,800.36 and 14,264.28 is: 21,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,200.28 : 76,800.36 = 14,264.28 : x
  2. Step 2: Convert to fraction form
    51,200.28/76,800.36 = 14,264.28/x
  3. Step 3: Cross multiply
    51,200.28x = 76,800.36 × 14,264.28
  4. Step 4: Simplify right side
    51,200.28x = 1,095,501,839.14
  5. Step 5: Solve for x
    x = 1,095,501,839.14/51,200.28
  6. Step 6: Final answer
    x = 21,396.40

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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.