Home / 31,629.32-47,427.88-10,561.80

Finding the Fourth Proportional to 31,629.32, 47,427.88 and 10,561.80

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Solution

The fourth proportional to 31,629.32, 47,427.88 and 10,561.80 is: 15,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.32 : 47,427.88 = 10,561.80 : x
  2. Step 2: Convert to fraction form
    31,629.32/47,427.88 = 10,561.80/x
  3. Step 3: Cross multiply
    31,629.32x = 47,427.88 × 10,561.80
  4. Step 4: Simplify right side
    31,629.32x = 500,923,782.98
  5. Step 5: Solve for x
    x = 500,923,782.98/31,629.32
  6. Step 6: Final answer
    x = 15,837.32

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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.