Home / 39,495.22-54,503.28-21,590.24

Finding the Fourth Proportional to 39,495.22, 54,503.28 and 21,590.24

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Solution

The fourth proportional to 39,495.22, 54,503.28 and 21,590.24 is: 29,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,495.22 : 54,503.28 = 21,590.24 : x
  2. Step 2: Convert to fraction form
    39,495.22/54,503.28 = 21,590.24/x
  3. Step 3: Cross multiply
    39,495.22x = 54,503.28 × 21,590.24
  4. Step 4: Simplify right side
    39,495.22x = 1,176,738,895.99
  5. Step 5: Solve for x
    x = 1,176,738,895.99/39,495.22
  6. Step 6: Final answer
    x = 29,794.46

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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.