Home / 49,784.08-68,707.02-28,570

Finding the Fourth Proportional to 49,784.08, 68,707.02 and 28,570

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Solution

The fourth proportional to 49,784.08, 68,707.02 and 28,570 is: 39,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.08 : 68,707.02 = 28,570 : x
  2. Step 2: Convert to fraction form
    49,784.08/68,707.02 = 28,570/x
  3. Step 3: Cross multiply
    49,784.08x = 68,707.02 × 28,570
  4. Step 4: Simplify right side
    49,784.08x = 1,962,959,561.40
  5. Step 5: Solve for x
    x = 1,962,959,561.40/49,784.08
  6. Step 6: Final answer
    x = 39,429.46

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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.