Home / 30,361.28-45,547.41-13,729.15

Finding the Fourth Proportional to 30,361.28, 45,547.41 and 13,729.15

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Solution

The fourth proportional to 30,361.28, 45,547.41 and 13,729.15 is: 20,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.28 : 45,547.41 = 13,729.15 : x
  2. Step 2: Convert to fraction form
    30,361.28/45,547.41 = 13,729.15/x
  3. Step 3: Cross multiply
    30,361.28x = 45,547.41 × 13,729.15
  4. Step 4: Simplify right side
    30,361.28x = 625,327,224.00
  5. Step 5: Solve for x
    x = 625,327,224.00/30,361.28
  6. Step 6: Final answer
    x = 20,596.21

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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.