Home / 31,497.66-43,468.65-18,072.72

Finding the Fourth Proportional to 31,497.66, 43,468.65 and 18,072.72

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Solution

The fourth proportional to 31,497.66, 43,468.65 and 18,072.72 is: 24,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,497.66 : 43,468.65 = 18,072.72 : x
  2. Step 2: Convert to fraction form
    31,497.66/43,468.65 = 18,072.72/x
  3. Step 3: Cross multiply
    31,497.66x = 43,468.65 × 18,072.72
  4. Step 4: Simplify right side
    31,497.66x = 785,596,740.23
  5. Step 5: Solve for x
    x = 785,596,740.23/31,497.66
  6. Step 6: Final answer
    x = 24,941.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.