Home / 53,943.01-80,858.37-30,215.77

Finding the Fourth Proportional to 53,943.01, 80,858.37 and 30,215.77

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Solution

The fourth proportional to 53,943.01, 80,858.37 and 30,215.77 is: 45,292.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,943.01 : 80,858.37 = 30,215.77 : x
  2. Step 2: Convert to fraction form
    53,943.01/80,858.37 = 30,215.77/x
  3. Step 3: Cross multiply
    53,943.01x = 80,858.37 × 30,215.77
  4. Step 4: Simplify right side
    53,943.01x = 2,443,197,910.49
  5. Step 5: Solve for x
    x = 2,443,197,910.49/53,943.01
  6. Step 6: Final answer
    x = 45,292.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.