Home / 31,304.32-46,941.62-18,160.72

Finding the Fourth Proportional to 31,304.32, 46,941.62 and 18,160.72

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Solution

The fourth proportional to 31,304.32, 46,941.62 and 18,160.72 is: 27,232.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,304.32 : 46,941.62 = 18,160.72 : x
  2. Step 2: Convert to fraction form
    31,304.32/46,941.62 = 18,160.72/x
  3. Step 3: Cross multiply
    31,304.32x = 46,941.62 × 18,160.72
  4. Step 4: Simplify right side
    31,304.32x = 852,493,617.17
  5. Step 5: Solve for x
    x = 852,493,617.17/31,304.32
  6. Step 6: Final answer
    x = 27,232.46

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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.