Home / 39,957.68-59,921.40-13,298.96

Finding the Fourth Proportional to 39,957.68, 59,921.40 and 13,298.96

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Solution

The fourth proportional to 39,957.68, 59,921.40 and 13,298.96 is: 19,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,957.68 : 59,921.40 = 13,298.96 : x
  2. Step 2: Convert to fraction form
    39,957.68/59,921.40 = 13,298.96/x
  3. Step 3: Cross multiply
    39,957.68x = 59,921.40 × 13,298.96
  4. Step 4: Simplify right side
    39,957.68x = 796,892,301.74
  5. Step 5: Solve for x
    x = 796,892,301.74/39,957.68
  6. Step 6: Final answer
    x = 19,943.41

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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.