Home / 31,403.37-43,337.45-17,256.57

Finding the Fourth Proportional to 31,403.37, 43,337.45 and 17,256.57

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Solution

The fourth proportional to 31,403.37, 43,337.45 and 17,256.57 is: 23,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,403.37 : 43,337.45 = 17,256.57 : x
  2. Step 2: Convert to fraction form
    31,403.37/43,337.45 = 17,256.57/x
  3. Step 3: Cross multiply
    31,403.37x = 43,337.45 × 17,256.57
  4. Step 4: Simplify right side
    31,403.37x = 747,855,653.26
  5. Step 5: Solve for x
    x = 747,855,653.26/31,403.37
  6. Step 6: Final answer
    x = 23,814.50

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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.