Home / 35,871.28-49,502.64-19,955.92

Finding the Fourth Proportional to 35,871.28, 49,502.64 and 19,955.92

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Solution

The fourth proportional to 35,871.28, 49,502.64 and 19,955.92 is: 27,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871.28 : 49,502.64 = 19,955.92 : x
  2. Step 2: Convert to fraction form
    35,871.28/49,502.64 = 19,955.92/x
  3. Step 3: Cross multiply
    35,871.28x = 49,502.64 × 19,955.92
  4. Step 4: Simplify right side
    35,871.28x = 987,870,723.63
  5. Step 5: Solve for x
    x = 987,870,723.63/35,871.28
  6. Step 6: Final answer
    x = 27,539.32

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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.