Home / 49,684.86-68,547.60-28,171.40

Finding the Fourth Proportional to 49,684.86, 68,547.60 and 28,171.40

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Solution

The fourth proportional to 49,684.86, 68,547.60 and 28,171.40 is: 38,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,684.86 : 68,547.60 = 28,171.40 : x
  2. Step 2: Convert to fraction form
    49,684.86/68,547.60 = 28,171.40/x
  3. Step 3: Cross multiply
    49,684.86x = 68,547.60 × 28,171.40
  4. Step 4: Simplify right side
    49,684.86x = 1,931,081,515.90
  5. Step 5: Solve for x
    x = 1,931,081,515.90/49,684.86
  6. Step 6: Final answer
    x = 38,866.60

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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.