Home / 57,214.60-85,838.10-17,775.70

Finding the Fourth Proportional to 57,214.60, 85,838.10 and 17,775.70

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Solution

The fourth proportional to 57,214.60, 85,838.10 and 17,775.70 is: 26,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,214.60 : 85,838.10 = 17,775.70 : x
  2. Step 2: Convert to fraction form
    57,214.60/85,838.10 = 17,775.70/x
  3. Step 3: Cross multiply
    57,214.60x = 85,838.10 × 17,775.70
  4. Step 4: Simplify right side
    57,214.60x = 1,525,832,314.17
  5. Step 5: Solve for x
    x = 1,525,832,314.17/57,214.60
  6. Step 6: Final answer
    x = 26,668.58

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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.