Home / 31,752.41-43,800.48-20,423.27

Finding the Fourth Proportional to 31,752.41, 43,800.48 and 20,423.27

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Solution

The fourth proportional to 31,752.41, 43,800.48 and 20,423.27 is: 28,172.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,752.41 : 43,800.48 = 20,423.27 : x
  2. Step 2: Convert to fraction form
    31,752.41/43,800.48 = 20,423.27/x
  3. Step 3: Cross multiply
    31,752.41x = 43,800.48 × 20,423.27
  4. Step 4: Simplify right side
    31,752.41x = 894,549,138.67
  5. Step 5: Solve for x
    x = 894,549,138.67/31,752.41
  6. Step 6: Final answer
    x = 28,172.64

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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.