Home / 53,786.40-74,219.54-29,909.22

Finding the Fourth Proportional to 53,786.40, 74,219.54 and 29,909.22

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Solution

The fourth proportional to 53,786.40, 74,219.54 and 29,909.22 is: 41,271.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,786.40 : 74,219.54 = 29,909.22 : x
  2. Step 2: Convert to fraction form
    53,786.40/74,219.54 = 29,909.22/x
  3. Step 3: Cross multiply
    53,786.40x = 74,219.54 × 29,909.22
  4. Step 4: Simplify right side
    53,786.40x = 2,219,848,550.16
  5. Step 5: Solve for x
    x = 2,219,848,550.16/53,786.40
  6. Step 6: Final answer
    x = 41,271.56

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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.