Home / 31,707.64-47,519.47-16,884.64

Finding the Fourth Proportional to 31,707.64, 47,519.47 and 16,884.64

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Solution

The fourth proportional to 31,707.64, 47,519.47 and 16,884.64 is: 25,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.64 : 47,519.47 = 16,884.64 : x
  2. Step 2: Convert to fraction form
    31,707.64/47,519.47 = 16,884.64/x
  3. Step 3: Cross multiply
    31,707.64x = 47,519.47 × 16,884.64
  4. Step 4: Simplify right side
    31,707.64x = 802,349,143.94
  5. Step 5: Solve for x
    x = 802,349,143.94/31,707.64
  6. Step 6: Final answer
    x = 25,304.60

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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.