Home / 31,474.16-43,434.48-18,046.20

Finding the Fourth Proportional to 31,474.16, 43,434.48 and 18,046.20

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Solution

The fourth proportional to 31,474.16, 43,434.48 and 18,046.20 is: 24,903.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,474.16 : 43,434.48 = 18,046.20 : x
  2. Step 2: Convert to fraction form
    31,474.16/43,434.48 = 18,046.20/x
  3. Step 3: Cross multiply
    31,474.16x = 43,434.48 × 18,046.20
  4. Step 4: Simplify right side
    31,474.16x = 783,827,312.98
  5. Step 5: Solve for x
    x = 783,827,312.98/31,474.16
  6. Step 6: Final answer
    x = 24,903.84

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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.