Home / 32,003.80-48,005.70-31,139.80

Finding the Fourth Proportional to 32,003.80, 48,005.70 and 31,139.80

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Solution

The fourth proportional to 32,003.80, 48,005.70 and 31,139.80 is: 46,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,003.80 : 48,005.70 = 31,139.80 : x
  2. Step 2: Convert to fraction form
    32,003.80/48,005.70 = 31,139.80/x
  3. Step 3: Cross multiply
    32,003.80x = 48,005.70 × 31,139.80
  4. Step 4: Simplify right side
    32,003.80x = 1,494,887,896.86
  5. Step 5: Solve for x
    x = 1,494,887,896.86/32,003.80
  6. Step 6: Final answer
    x = 46,709.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.