Home / 65,400.48-98,085.96-25,947

Finding the Fourth Proportional to 65,400.48, 98,085.96 and 25,947

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Solution

The fourth proportional to 65,400.48, 98,085.96 and 25,947 is: 38,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,400.48 : 98,085.96 = 25,947 : x
  2. Step 2: Convert to fraction form
    65,400.48/98,085.96 = 25,947/x
  3. Step 3: Cross multiply
    65,400.48x = 98,085.96 × 25,947
  4. Step 4: Simplify right side
    65,400.48x = 2,545,036,404.12
  5. Step 5: Solve for x
    x = 2,545,036,404.12/65,400.48
  6. Step 6: Final answer
    x = 38,914.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.