Home / 43,521.32-65,268.97-13,125.18

Finding the Fourth Proportional to 43,521.32, 65,268.97 and 13,125.18

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Solution

The fourth proportional to 43,521.32, 65,268.97 and 13,125.18 is: 19,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,521.32 : 65,268.97 = 13,125.18 : x
  2. Step 2: Convert to fraction form
    43,521.32/65,268.97 = 13,125.18/x
  3. Step 3: Cross multiply
    43,521.32x = 65,268.97 × 13,125.18
  4. Step 4: Simplify right side
    43,521.32x = 856,666,943.82
  5. Step 5: Solve for x
    x = 856,666,943.82/43,521.32
  6. Step 6: Final answer
    x = 19,683.85

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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.