Home / 31,086.64-46,628.76-12,365.92

Finding the Fourth Proportional to 31,086.64, 46,628.76 and 12,365.92

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Solution

The fourth proportional to 31,086.64, 46,628.76 and 12,365.92 is: 18,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,086.64 : 46,628.76 = 12,365.92 : x
  2. Step 2: Convert to fraction form
    31,086.64/46,628.76 = 12,365.92/x
  3. Step 3: Cross multiply
    31,086.64x = 46,628.76 × 12,365.92
  4. Step 4: Simplify right side
    31,086.64x = 576,607,515.86
  5. Step 5: Solve for x
    x = 576,607,515.86/31,086.64
  6. Step 6: Final answer
    x = 18,548.40

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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.