Home / 49,783.08-68,705.64-28,569

Finding the Fourth Proportional to 49,783.08, 68,705.64 and 28,569

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Solution

The fourth proportional to 49,783.08, 68,705.64 and 28,569 is: 39,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,783.08 : 68,705.64 = 28,569 : x
  2. Step 2: Convert to fraction form
    49,783.08/68,705.64 = 28,569/x
  3. Step 3: Cross multiply
    49,783.08x = 68,705.64 × 28,569
  4. Step 4: Simplify right side
    49,783.08x = 1,962,851,429.16
  5. Step 5: Solve for x
    x = 1,962,851,429.16/49,783.08
  6. Step 6: Final answer
    x = 39,428.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.