Home / 35,571.81-49,089.08-19,656.12

Finding the Fourth Proportional to 35,571.81, 49,089.08 and 19,656.12

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Solution

The fourth proportional to 35,571.81, 49,089.08 and 19,656.12 is: 27,125.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.81 : 49,089.08 = 19,656.12 : x
  2. Step 2: Convert to fraction form
    35,571.81/49,089.08 = 19,656.12/x
  3. Step 3: Cross multiply
    35,571.81x = 49,089.08 × 19,656.12
  4. Step 4: Simplify right side
    35,571.81x = 964,900,748.89
  5. Step 5: Solve for x
    x = 964,900,748.89/35,571.81
  6. Step 6: Final answer
    x = 27,125.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.