Home / 39,398.24-59,119.44-20,929.76

Finding the Fourth Proportional to 39,398.24, 59,119.44 and 20,929.76

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Solution

The fourth proportional to 39,398.24, 59,119.44 and 20,929.76 is: 31,406.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,398.24 : 59,119.44 = 20,929.76 : x
  2. Step 2: Convert to fraction form
    39,398.24/59,119.44 = 20,929.76/x
  3. Step 3: Cross multiply
    39,398.24x = 59,119.44 × 20,929.76
  4. Step 4: Simplify right side
    39,398.24x = 1,237,355,690.53
  5. Step 5: Solve for x
    x = 1,237,355,690.53/39,398.24
  6. Step 6: Final answer
    x = 31,406.37

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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.