Home / 30,046.72-45,068.80-17,812.48

Finding the Fourth Proportional to 30,046.72, 45,068.80 and 17,812.48

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Solution

The fourth proportional to 30,046.72, 45,068.80 and 17,812.48 is: 26,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046.72 : 45,068.80 = 17,812.48 : x
  2. Step 2: Convert to fraction form
    30,046.72/45,068.80 = 17,812.48/x
  3. Step 3: Cross multiply
    30,046.72x = 45,068.80 × 17,812.48
  4. Step 4: Simplify right side
    30,046.72x = 802,787,098.62
  5. Step 5: Solve for x
    x = 802,787,098.62/30,046.72
  6. Step 6: Final answer
    x = 26,717.96

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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.