Home / 31,646.68-47,477.22-16,847.80

Finding the Fourth Proportional to 31,646.68, 47,477.22 and 16,847.80

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Solution

The fourth proportional to 31,646.68, 47,477.22 and 16,847.80 is: 25,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,646.68 : 47,477.22 = 16,847.80 : x
  2. Step 2: Convert to fraction form
    31,646.68/47,477.22 = 16,847.80/x
  3. Step 3: Cross multiply
    31,646.68x = 47,477.22 × 16,847.80
  4. Step 4: Simplify right side
    31,646.68x = 799,886,707.12
  5. Step 5: Solve for x
    x = 799,886,707.12/31,646.68
  6. Step 6: Final answer
    x = 25,275.53

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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.