Home / 53,390.51-73,680.44-29,518.72

Finding the Fourth Proportional to 53,390.51, 73,680.44 and 29,518.72

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Solution

The fourth proportional to 53,390.51, 73,680.44 and 29,518.72 is: 40,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.51 : 73,680.44 = 29,518.72 : x
  2. Step 2: Convert to fraction form
    53,390.51/73,680.44 = 29,518.72/x
  3. Step 3: Cross multiply
    53,390.51x = 73,680.44 × 29,518.72
  4. Step 4: Simplify right side
    53,390.51x = 2,174,951,946.04
  5. Step 5: Solve for x
    x = 2,174,951,946.04/53,390.51
  6. Step 6: Final answer
    x = 40,736.68

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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.