Home / 53,081.79-73,253.38-29,208.98

Finding the Fourth Proportional to 53,081.79, 73,253.38 and 29,208.98

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Solution

The fourth proportional to 53,081.79, 73,253.38 and 29,208.98 is: 40,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,081.79 : 73,253.38 = 29,208.98 : x
  2. Step 2: Convert to fraction form
    53,081.79/73,253.38 = 29,208.98/x
  3. Step 3: Cross multiply
    53,081.79x = 73,253.38 × 29,208.98
  4. Step 4: Simplify right side
    53,081.79x = 2,139,656,346.33
  5. Step 5: Solve for x
    x = 2,139,656,346.33/53,081.79
  6. Step 6: Final answer
    x = 40,308.67

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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.