Home / 31,637.23-43,695.27-21,548.18

Finding the Fourth Proportional to 31,637.23, 43,695.27 and 21,548.18

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Solution

The fourth proportional to 31,637.23, 43,695.27 and 21,548.18 is: 29,760.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.23 : 43,695.27 = 21,548.18 : x
  2. Step 2: Convert to fraction form
    31,637.23/43,695.27 = 21,548.18/x
  3. Step 3: Cross multiply
    31,637.23x = 43,695.27 × 21,548.18
  4. Step 4: Simplify right side
    31,637.23x = 941,553,467.17
  5. Step 5: Solve for x
    x = 941,553,467.17/31,637.23
  6. Step 6: Final answer
    x = 29,760.93

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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.