Home / 34,062.81-47,012.31-19,912.92

Finding the Fourth Proportional to 34,062.81, 47,012.31 and 19,912.92

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Solution

The fourth proportional to 34,062.81, 47,012.31 and 19,912.92 is: 27,483.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,062.81 : 47,012.31 = 19,912.92 : x
  2. Step 2: Convert to fraction form
    34,062.81/47,012.31 = 19,912.92/x
  3. Step 3: Cross multiply
    34,062.81x = 47,012.31 × 19,912.92
  4. Step 4: Simplify right side
    34,062.81x = 936,152,368.05
  5. Step 5: Solve for x
    x = 936,152,368.05/34,062.81
  6. Step 6: Final answer
    x = 27,483.12

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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.