Home / 38,640.16-53,331.72-23,537.80

Finding the Fourth Proportional to 38,640.16, 53,331.72 and 23,537.80

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Solution

The fourth proportional to 38,640.16, 53,331.72 and 23,537.80 is: 32,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,640.16 : 53,331.72 = 23,537.80 : x
  2. Step 2: Convert to fraction form
    38,640.16/53,331.72 = 23,537.80/x
  3. Step 3: Cross multiply
    38,640.16x = 53,331.72 × 23,537.80
  4. Step 4: Simplify right side
    38,640.16x = 1,255,311,359.02
  5. Step 5: Solve for x
    x = 1,255,311,359.02/38,640.16
  6. Step 6: Final answer
    x = 32,487.22

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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.