Home / 53,640.90-74,009.70-32,121.90

Finding the Fourth Proportional to 53,640.90, 74,009.70 and 32,121.90

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Solution

The fourth proportional to 53,640.90, 74,009.70 and 32,121.90 is: 44,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,640.90 : 74,009.70 = 32,121.90 : x
  2. Step 2: Convert to fraction form
    53,640.90/74,009.70 = 32,121.90/x
  3. Step 3: Cross multiply
    53,640.90x = 74,009.70 × 32,121.90
  4. Step 4: Simplify right side
    53,640.90x = 2,377,332,182.43
  5. Step 5: Solve for x
    x = 2,377,332,182.43/53,640.90
  6. Step 6: Final answer
    x = 44,319.39

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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.