Home / 53,420.40-73,720.80-29,546.46

Finding the Fourth Proportional to 53,420.40, 73,720.80 and 29,546.46

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Solution

The fourth proportional to 53,420.40, 73,720.80 and 29,546.46 is: 40,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,420.40 : 73,720.80 = 29,546.46 : x
  2. Step 2: Convert to fraction form
    53,420.40/73,720.80 = 29,546.46/x
  3. Step 3: Cross multiply
    53,420.40x = 73,720.80 × 29,546.46
  4. Step 4: Simplify right side
    53,420.40x = 2,178,188,668.37
  5. Step 5: Solve for x
    x = 2,178,188,668.37/53,420.40
  6. Step 6: Final answer
    x = 40,774.47

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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.