Home / 30,396.17-45,610.31-21,568.55

Finding the Fourth Proportional to 30,396.17, 45,610.31 and 21,568.55

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Solution

The fourth proportional to 30,396.17, 45,610.31 and 21,568.55 is: 32,364.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,396.17 : 45,610.31 = 21,568.55 : x
  2. Step 2: Convert to fraction form
    30,396.17/45,610.31 = 21,568.55/x
  3. Step 3: Cross multiply
    30,396.17x = 45,610.31 × 21,568.55
  4. Step 4: Simplify right side
    30,396.17x = 983,748,077.62
  5. Step 5: Solve for x
    x = 983,748,077.62/30,396.17
  6. Step 6: Final answer
    x = 32,364.21

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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.