Home / 39,430.65-54,400.32-25,291.29

Finding the Fourth Proportional to 39,430.65, 54,400.32 and 25,291.29

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Solution

The fourth proportional to 39,430.65, 54,400.32 and 25,291.29 is: 34,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,430.65 : 54,400.32 = 25,291.29 : x
  2. Step 2: Convert to fraction form
    39,430.65/54,400.32 = 25,291.29/x
  3. Step 3: Cross multiply
    39,430.65x = 54,400.32 × 25,291.29
  4. Step 4: Simplify right side
    39,430.65x = 1,375,854,269.21
  5. Step 5: Solve for x
    x = 1,375,854,269.21/39,430.65
  6. Step 6: Final answer
    x = 34,893.02

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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.