Home / 39,568.13-59,361.08-13,272.20

Finding the Fourth Proportional to 39,568.13, 59,361.08 and 13,272.20

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Solution

The fourth proportional to 39,568.13, 59,361.08 and 13,272.20 is: 19,911.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,568.13 : 59,361.08 = 13,272.20 : x
  2. Step 2: Convert to fraction form
    39,568.13/59,361.08 = 13,272.20/x
  3. Step 3: Cross multiply
    39,568.13x = 59,361.08 × 13,272.20
  4. Step 4: Simplify right side
    39,568.13x = 787,852,125.98
  5. Step 5: Solve for x
    x = 787,852,125.98/39,568.13
  6. Step 6: Final answer
    x = 19,911.28

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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.