Home / 39,495.67-54,504.05-21,590.68

Finding the Fourth Proportional to 39,495.67, 54,504.05 and 21,590.68

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Solution

The fourth proportional to 39,495.67, 54,504.05 and 21,590.68 is: 29,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,495.67 : 54,504.05 = 21,590.68 : x
  2. Step 2: Convert to fraction form
    39,495.67/54,504.05 = 21,590.68/x
  3. Step 3: Cross multiply
    39,495.67x = 54,504.05 × 21,590.68
  4. Step 4: Simplify right side
    39,495.67x = 1,176,779,121.78
  5. Step 5: Solve for x
    x = 1,176,779,121.78/39,495.67
  6. Step 6: Final answer
    x = 29,795.15

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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.