Home / 35,720.94-53,557.77-15,972.30

Finding the Fourth Proportional to 35,720.94, 53,557.77 and 15,972.30

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Solution

The fourth proportional to 35,720.94, 53,557.77 and 15,972.30 is: 23,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,720.94 : 53,557.77 = 15,972.30 : x
  2. Step 2: Convert to fraction form
    35,720.94/53,557.77 = 15,972.30/x
  3. Step 3: Cross multiply
    35,720.94x = 53,557.77 × 15,972.30
  4. Step 4: Simplify right side
    35,720.94x = 855,440,769.77
  5. Step 5: Solve for x
    x = 855,440,769.77/35,720.94
  6. Step 6: Final answer
    x = 23,947.88

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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.