Home / 30,724.56-42,397.47-17,293.14

Finding the Fourth Proportional to 30,724.56, 42,397.47 and 17,293.14

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Solution

The fourth proportional to 30,724.56, 42,397.47 and 17,293.14 is: 23,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.56 : 42,397.47 = 17,293.14 : x
  2. Step 2: Convert to fraction form
    30,724.56/42,397.47 = 17,293.14/x
  3. Step 3: Cross multiply
    30,724.56x = 42,397.47 × 17,293.14
  4. Step 4: Simplify right side
    30,724.56x = 733,185,384.36
  5. Step 5: Solve for x
    x = 733,185,384.36/30,724.56
  6. Step 6: Final answer
    x = 23,863.17

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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.