Home / 51,721.46-77,580.08-17,995.19

Finding the Fourth Proportional to 51,721.46, 77,580.08 and 17,995.19

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Solution

The fourth proportional to 51,721.46, 77,580.08 and 17,995.19 is: 26,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,721.46 : 77,580.08 = 17,995.19 : x
  2. Step 2: Convert to fraction form
    51,721.46/77,580.08 = 17,995.19/x
  3. Step 3: Cross multiply
    51,721.46x = 77,580.08 × 17,995.19
  4. Step 4: Simplify right side
    51,721.46x = 1,396,068,383.79
  5. Step 5: Solve for x
    x = 1,396,068,383.79/51,721.46
  6. Step 6: Final answer
    x = 26,992.06

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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.