Home / 65,727.84-90,720.54-37,450.20

Finding the Fourth Proportional to 65,727.84, 90,720.54 and 37,450.20

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Solution

The fourth proportional to 65,727.84, 90,720.54 and 37,450.20 is: 51,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.84 : 90,720.54 = 37,450.20 : x
  2. Step 2: Convert to fraction form
    65,727.84/90,720.54 = 37,450.20/x
  3. Step 3: Cross multiply
    65,727.84x = 90,720.54 × 37,450.20
  4. Step 4: Simplify right side
    65,727.84x = 3,397,502,367.11
  5. Step 5: Solve for x
    x = 3,397,502,367.11/65,727.84
  6. Step 6: Final answer
    x = 51,690.46

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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.