Home / 39,932.06-55,108.96-23,165.06

Finding the Fourth Proportional to 39,932.06, 55,108.96 and 23,165.06

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Solution

The fourth proportional to 39,932.06, 55,108.96 and 23,165.06 is: 31,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,932.06 : 55,108.96 = 23,165.06 : x
  2. Step 2: Convert to fraction form
    39,932.06/55,108.96 = 23,165.06/x
  3. Step 3: Cross multiply
    39,932.06x = 55,108.96 × 23,165.06
  4. Step 4: Simplify right side
    39,932.06x = 1,276,602,031.48
  5. Step 5: Solve for x
    x = 1,276,602,031.48/39,932.06
  6. Step 6: Final answer
    x = 31,969.35

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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.