Home / 47,012.91-70,474.40-17,422.80

Finding the Fourth Proportional to 47,012.91, 70,474.40 and 17,422.80

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Solution

The fourth proportional to 47,012.91, 70,474.40 and 17,422.80 is: 26,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,012.91 : 70,474.40 = 17,422.80 : x
  2. Step 2: Convert to fraction form
    47,012.91/70,474.40 = 17,422.80/x
  3. Step 3: Cross multiply
    47,012.91x = 70,474.40 × 17,422.80
  4. Step 4: Simplify right side
    47,012.91x = 1,227,861,376.32
  5. Step 5: Solve for x
    x = 1,227,861,376.32/47,012.91
  6. Step 6: Final answer
    x = 26,117.54

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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.