Home / 35,437.94-53,120.42-15,725.78

Finding the Fourth Proportional to 35,437.94, 53,120.42 and 15,725.78

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Solution

The fourth proportional to 35,437.94, 53,120.42 and 15,725.78 is: 23,572.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,437.94 : 53,120.42 = 15,725.78 : x
  2. Step 2: Convert to fraction form
    35,437.94/53,120.42 = 15,725.78/x
  3. Step 3: Cross multiply
    35,437.94x = 53,120.42 × 15,725.78
  4. Step 4: Simplify right side
    35,437.94x = 835,360,038.43
  5. Step 5: Solve for x
    x = 835,360,038.43/35,437.94
  6. Step 6: Final answer
    x = 23,572.48

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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.