Home / 30,639.35-45,972.05-17,314.17

Finding the Fourth Proportional to 30,639.35, 45,972.05 and 17,314.17

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Solution

The fourth proportional to 30,639.35, 45,972.05 and 17,314.17 is: 25,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639.35 : 45,972.05 = 17,314.17 : x
  2. Step 2: Convert to fraction form
    30,639.35/45,972.05 = 17,314.17/x
  3. Step 3: Cross multiply
    30,639.35x = 45,972.05 × 17,314.17
  4. Step 4: Simplify right side
    30,639.35x = 795,967,802.38
  5. Step 5: Solve for x
    x = 795,967,802.38/30,639.35
  6. Step 6: Final answer
    x = 25,978.62

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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.