Home / 39,979.13-59,969.00-13,684.10

Finding the Fourth Proportional to 39,979.13, 59,969.00 and 13,684.10

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Solution

The fourth proportional to 39,979.13, 59,969.00 and 13,684.10 is: 20,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,979.13 : 59,969.00 = 13,684.10 : x
  2. Step 2: Convert to fraction form
    39,979.13/59,969.00 = 13,684.10/x
  3. Step 3: Cross multiply
    39,979.13x = 59,969.00 × 13,684.10
  4. Step 4: Simplify right side
    39,979.13x = 820,621,527.27
  5. Step 5: Solve for x
    x = 820,621,527.27/39,979.13
  6. Step 6: Final answer
    x = 20,526.25

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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.