Home / 31,324.53-42,963.21-29,630.01

Finding the Fourth Proportional to 31,324.53, 42,963.21 and 29,630.01

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Solution

The fourth proportional to 31,324.53, 42,963.21 and 29,630.01 is: 40,639.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324.53 : 42,963.21 = 29,630.01 : x
  2. Step 2: Convert to fraction form
    31,324.53/42,963.21 = 29,630.01/x
  3. Step 3: Cross multiply
    31,324.53x = 42,963.21 × 29,630.01
  4. Step 4: Simplify right side
    31,324.53x = 1,273,000,341.93
  5. Step 5: Solve for x
    x = 1,273,000,341.93/31,324.53
  6. Step 6: Final answer
    x = 40,639.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.