Home / 56,933.36-85,404.36-15,380

Finding the Fourth Proportional to 56,933.36, 85,404.36 and 15,380

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Solution

The fourth proportional to 56,933.36, 85,404.36 and 15,380 is: 23,071.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,933.36 : 85,404.36 = 15,380 : x
  2. Step 2: Convert to fraction form
    56,933.36/85,404.36 = 15,380/x
  3. Step 3: Cross multiply
    56,933.36x = 85,404.36 × 15,380
  4. Step 4: Simplify right side
    56,933.36x = 1,313,519,056.80
  5. Step 5: Solve for x
    x = 1,313,519,056.80/56,933.36
  6. Step 6: Final answer
    x = 23,071.17

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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.