Home / 39,808.64-59,719.44-13,510.64

Finding the Fourth Proportional to 39,808.64, 59,719.44 and 13,510.64

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Solution

The fourth proportional to 39,808.64, 59,719.44 and 13,510.64 is: 20,268.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,808.64 : 59,719.44 = 13,510.64 : x
  2. Step 2: Convert to fraction form
    39,808.64/59,719.44 = 13,510.64/x
  3. Step 3: Cross multiply
    39,808.64x = 59,719.44 × 13,510.64
  4. Step 4: Simplify right side
    39,808.64x = 806,847,854.84
  5. Step 5: Solve for x
    x = 806,847,854.84/39,808.64
  6. Step 6: Final answer
    x = 20,268.16

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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.