Home / 31,631.64-43,651.65-19,058.82

Finding the Fourth Proportional to 31,631.64, 43,651.65 and 19,058.82

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Solution

The fourth proportional to 31,631.64, 43,651.65 and 19,058.82 is: 26,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,631.64 : 43,651.65 = 19,058.82 : x
  2. Step 2: Convert to fraction form
    31,631.64/43,651.65 = 19,058.82/x
  3. Step 3: Cross multiply
    31,631.64x = 43,651.65 × 19,058.82
  4. Step 4: Simplify right side
    31,631.64x = 831,948,940.05
  5. Step 5: Solve for x
    x = 831,948,940.05/31,631.64
  6. Step 6: Final answer
    x = 26,301.16

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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.