Home / 65,389.44-98,085.07-18,642.32

Finding the Fourth Proportional to 65,389.44, 98,085.07 and 18,642.32

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Solution

The fourth proportional to 65,389.44, 98,085.07 and 18,642.32 is: 27,963.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,389.44 : 98,085.07 = 18,642.32 : x
  2. Step 2: Convert to fraction form
    65,389.44/98,085.07 = 18,642.32/x
  3. Step 3: Cross multiply
    65,389.44x = 98,085.07 × 18,642.32
  4. Step 4: Simplify right side
    65,389.44x = 1,828,532,771.74
  5. Step 5: Solve for x
    x = 1,828,532,771.74/65,389.44
  6. Step 6: Final answer
    x = 27,963.73

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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.