Home / 65,929.62-90,982.98-39,085.32

Finding the Fourth Proportional to 65,929.62, 90,982.98 and 39,085.32

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Solution

The fourth proportional to 65,929.62, 90,982.98 and 39,085.32 is: 53,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,929.62 : 90,982.98 = 39,085.32 : x
  2. Step 2: Convert to fraction form
    65,929.62/90,982.98 = 39,085.32/x
  3. Step 3: Cross multiply
    65,929.62x = 90,982.98 × 39,085.32
  4. Step 4: Simplify right side
    65,929.62x = 3,556,098,887.85
  5. Step 5: Solve for x
    x = 3,556,098,887.85/65,929.62
  6. Step 6: Final answer
    x = 53,937.80

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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.