Home / 39,495.50-54,502.26-21,591.20

Finding the Fourth Proportional to 39,495.50, 54,502.26 and 21,591.20

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Solution

The fourth proportional to 39,495.50, 54,502.26 and 21,591.20 is: 29,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,495.50 : 54,502.26 = 21,591.20 : x
  2. Step 2: Convert to fraction form
    39,495.50/54,502.26 = 21,591.20/x
  3. Step 3: Cross multiply
    39,495.50x = 54,502.26 × 21,591.20
  4. Step 4: Simplify right side
    39,495.50x = 1,176,769,196.11
  5. Step 5: Solve for x
    x = 1,176,769,196.11/39,495.50
  6. Step 6: Final answer
    x = 29,795.02

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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.