Home / 66,428.64-99,637.20-22,053.60

Finding the Fourth Proportional to 66,428.64, 99,637.20 and 22,053.60

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Solution

The fourth proportional to 66,428.64, 99,637.20 and 22,053.60 is: 33,078.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,428.64 : 99,637.20 = 22,053.60 : x
  2. Step 2: Convert to fraction form
    66,428.64/99,637.20 = 22,053.60/x
  3. Step 3: Cross multiply
    66,428.64x = 99,637.20 × 22,053.60
  4. Step 4: Simplify right side
    66,428.64x = 2,197,358,953.92
  5. Step 5: Solve for x
    x = 2,197,358,953.92/66,428.64
  6. Step 6: Final answer
    x = 33,078.49

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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.