Home / 51,871.85-71,590.06-30,368.17

Finding the Fourth Proportional to 51,871.85, 71,590.06 and 30,368.17

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Solution

The fourth proportional to 51,871.85, 71,590.06 and 30,368.17 is: 41,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.85 : 71,590.06 = 30,368.17 : x
  2. Step 2: Convert to fraction form
    51,871.85/71,590.06 = 30,368.17/x
  3. Step 3: Cross multiply
    51,871.85x = 71,590.06 × 30,368.17
  4. Step 4: Simplify right side
    51,871.85x = 2,174,059,112.39
  5. Step 5: Solve for x
    x = 2,174,059,112.39/51,871.85
  6. Step 6: Final answer
    x = 41,912.12

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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.