Home / 53,018.93-73,167.12-29,145.60

Finding the Fourth Proportional to 53,018.93, 73,167.12 and 29,145.60

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Solution

The fourth proportional to 53,018.93, 73,167.12 and 29,145.60 is: 40,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,018.93 : 73,167.12 = 29,145.60 : x
  2. Step 2: Convert to fraction form
    53,018.93/73,167.12 = 29,145.60/x
  3. Step 3: Cross multiply
    53,018.93x = 73,167.12 × 29,145.60
  4. Step 4: Simplify right side
    53,018.93x = 2,132,499,612.67
  5. Step 5: Solve for x
    x = 2,132,499,612.67/53,018.93
  6. Step 6: Final answer
    x = 40,221.48

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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.