Home / 57,078.29-85,621.53-17,630.28

Finding the Fourth Proportional to 57,078.29, 85,621.53 and 17,630.28

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Solution

The fourth proportional to 57,078.29, 85,621.53 and 17,630.28 is: 26,446.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,078.29 : 85,621.53 = 17,630.28 : x
  2. Step 2: Convert to fraction form
    57,078.29/85,621.53 = 17,630.28/x
  3. Step 3: Cross multiply
    57,078.29x = 85,621.53 × 17,630.28
  4. Step 4: Simplify right side
    57,078.29x = 1,509,531,547.93
  5. Step 5: Solve for x
    x = 1,509,531,547.93/57,078.29
  6. Step 6: Final answer
    x = 26,446.69

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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.