Home / 53,050.89-73,215.23-30,385.38

Finding the Fourth Proportional to 53,050.89, 73,215.23 and 30,385.38

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Solution

The fourth proportional to 53,050.89, 73,215.23 and 30,385.38 is: 41,934.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,050.89 : 73,215.23 = 30,385.38 : x
  2. Step 2: Convert to fraction form
    53,050.89/73,215.23 = 30,385.38/x
  3. Step 3: Cross multiply
    53,050.89x = 73,215.23 × 30,385.38
  4. Step 4: Simplify right side
    53,050.89x = 2,224,672,433.41
  5. Step 5: Solve for x
    x = 2,224,672,433.41/53,050.89
  6. Step 6: Final answer
    x = 41,934.69

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Half scale
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Double scale
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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.