Home / 65,707.42-98,525.62-20,720.29

Finding the Fourth Proportional to 65,707.42, 98,525.62 and 20,720.29

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Solution

The fourth proportional to 65,707.42, 98,525.62 and 20,720.29 is: 31,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,707.42 : 98,525.62 = 20,720.29 : x
  2. Step 2: Convert to fraction form
    65,707.42/98,525.62 = 20,720.29/x
  3. Step 3: Cross multiply
    65,707.42x = 98,525.62 × 20,720.29
  4. Step 4: Simplify right side
    65,707.42x = 2,041,479,418.83
  5. Step 5: Solve for x
    x = 2,041,479,418.83/65,707.42
  6. Step 6: Final answer
    x = 31,069.24

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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.