Home / 53,218.22-73,439.46-29,345.90

Finding the Fourth Proportional to 53,218.22, 73,439.46 and 29,345.90

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Solution

The fourth proportional to 53,218.22, 73,439.46 and 29,345.90 is: 40,496.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,218.22 : 73,439.46 = 29,345.90 : x
  2. Step 2: Convert to fraction form
    53,218.22/73,439.46 = 29,345.90/x
  3. Step 3: Cross multiply
    53,218.22x = 73,439.46 × 29,345.90
  4. Step 4: Simplify right side
    53,218.22x = 2,155,146,682.02
  5. Step 5: Solve for x
    x = 2,155,146,682.02/53,218.22
  6. Step 6: Final answer
    x = 40,496.41

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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.