Home / 40,426.88-55,789.16-23,434.40

Finding the Fourth Proportional to 40,426.88, 55,789.16 and 23,434.40

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Solution

The fourth proportional to 40,426.88, 55,789.16 and 23,434.40 is: 32,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426.88 : 55,789.16 = 23,434.40 : x
  2. Step 2: Convert to fraction form
    40,426.88/55,789.16 = 23,434.40/x
  3. Step 3: Cross multiply
    40,426.88x = 55,789.16 × 23,434.40
  4. Step 4: Simplify right side
    40,426.88x = 1,307,385,491.10
  5. Step 5: Solve for x
    x = 1,307,385,491.10/40,426.88
  6. Step 6: Final answer
    x = 32,339.51

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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.