Home / 31,703.86-43,749.12-17,555.50

Finding the Fourth Proportional to 31,703.86, 43,749.12 and 17,555.50

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Solution

The fourth proportional to 31,703.86, 43,749.12 and 17,555.50 is: 24,225.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,703.86 : 43,749.12 = 17,555.50 : x
  2. Step 2: Convert to fraction form
    31,703.86/43,749.12 = 17,555.50/x
  3. Step 3: Cross multiply
    31,703.86x = 43,749.12 × 17,555.50
  4. Step 4: Simplify right side
    31,703.86x = 768,037,676.16
  5. Step 5: Solve for x
    x = 768,037,676.16/31,703.86
  6. Step 6: Final answer
    x = 24,225.37

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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.