Home / 39,639.08-59,458.96-13,343.44

Finding the Fourth Proportional to 39,639.08, 59,458.96 and 13,343.44

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Solution

The fourth proportional to 39,639.08, 59,458.96 and 13,343.44 is: 20,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,639.08 : 59,458.96 = 13,343.44 : x
  2. Step 2: Convert to fraction form
    39,639.08/59,458.96 = 13,343.44/x
  3. Step 3: Cross multiply
    39,639.08x = 59,458.96 × 13,343.44
  4. Step 4: Simplify right side
    39,639.08x = 793,387,065.22
  5. Step 5: Solve for x
    x = 793,387,065.22/39,639.08
  6. Step 6: Final answer
    x = 20,015.27

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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.