Home / 45,120.38-62,200.98-31,649.81

Finding the Fourth Proportional to 45,120.38, 62,200.98 and 31,649.81

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Solution

The fourth proportional to 45,120.38, 62,200.98 and 31,649.81 is: 43,631.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.38 : 62,200.98 = 31,649.81 : x
  2. Step 2: Convert to fraction form
    45,120.38/62,200.98 = 31,649.81/x
  3. Step 3: Cross multiply
    45,120.38x = 62,200.98 × 31,649.81
  4. Step 4: Simplify right side
    45,120.38x = 1,968,648,887.81
  5. Step 5: Solve for x
    x = 1,968,648,887.81/45,120.38
  6. Step 6: Final answer
    x = 43,631.04

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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.