Home / 38,384.84-57,582.44-13,419.02

Finding the Fourth Proportional to 38,384.84, 57,582.44 and 13,419.02

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Solution

The fourth proportional to 38,384.84, 57,582.44 and 13,419.02 is: 20,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,384.84 : 57,582.44 = 13,419.02 : x
  2. Step 2: Convert to fraction form
    38,384.84/57,582.44 = 13,419.02/x
  3. Step 3: Cross multiply
    38,384.84x = 57,582.44 × 13,419.02
  4. Step 4: Simplify right side
    38,384.84x = 772,699,792.77
  5. Step 5: Solve for x
    x = 772,699,792.77/38,384.84
  6. Step 6: Final answer
    x = 20,130.34

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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.