Home / 53,081.21-73,254.02-29,208.89

Finding the Fourth Proportional to 53,081.21, 73,254.02 and 29,208.89

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Solution

The fourth proportional to 53,081.21, 73,254.02 and 29,208.89 is: 40,309.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.21 : 73,254.02 = 29,208.89 : x
  2. Step 2: Convert to fraction form
    53,081.21/73,254.02 = 29,208.89/x
  3. Step 3: Cross multiply
    53,081.21x = 73,254.02 × 29,208.89
  4. Step 4: Simplify right side
    53,081.21x = 2,139,668,099.92
  5. Step 5: Solve for x
    x = 2,139,668,099.92/53,081.21
  6. Step 6: Final answer
    x = 40,309.34

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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.