Home / 31,690.98-47,543.76-10,633.82

Finding the Fourth Proportional to 31,690.98, 47,543.76 and 10,633.82

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Solution

The fourth proportional to 31,690.98, 47,543.76 and 10,633.82 is: 15,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,690.98 : 47,543.76 = 10,633.82 : x
  2. Step 2: Convert to fraction form
    31,690.98/47,543.76 = 10,633.82/x
  3. Step 3: Cross multiply
    31,690.98x = 47,543.76 × 10,633.82
  4. Step 4: Simplify right side
    31,690.98x = 505,571,548.24
  5. Step 5: Solve for x
    x = 505,571,548.24/31,690.98
  6. Step 6: Final answer
    x = 15,953.17

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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.