Home / 57,306.30-85,968.12-17,866.50

Finding the Fourth Proportional to 57,306.30, 85,968.12 and 17,866.50

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Solution

The fourth proportional to 57,306.30, 85,968.12 and 17,866.50 is: 26,802.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,306.30 : 85,968.12 = 17,866.50 : x
  2. Step 2: Convert to fraction form
    57,306.30/85,968.12 = 17,866.50/x
  3. Step 3: Cross multiply
    57,306.30x = 85,968.12 × 17,866.50
  4. Step 4: Simplify right side
    57,306.30x = 1,535,949,415.98
  5. Step 5: Solve for x
    x = 1,535,949,415.98/57,306.30
  6. Step 6: Final answer
    x = 26,802.45

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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.