Home / 39,989.21-59,992.26-15,029.48

Finding the Fourth Proportional to 39,989.21, 59,992.26 and 15,029.48

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Solution

The fourth proportional to 39,989.21, 59,992.26 and 15,029.48 is: 22,547.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,989.21 : 59,992.26 = 15,029.48 : x
  2. Step 2: Convert to fraction form
    39,989.21/59,992.26 = 15,029.48/x
  3. Step 3: Cross multiply
    39,989.21x = 59,992.26 × 15,029.48
  4. Step 4: Simplify right side
    39,989.21x = 901,652,471.82
  5. Step 5: Solve for x
    x = 901,652,471.82/39,989.21
  6. Step 6: Final answer
    x = 22,547.39

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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.