Home / 57,686.06-86,567.70-20,246.31

Finding the Fourth Proportional to 57,686.06, 86,567.70 and 20,246.31

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Solution

The fourth proportional to 57,686.06, 86,567.70 and 20,246.31 is: 30,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,686.06 : 86,567.70 = 20,246.31 : x
  2. Step 2: Convert to fraction form
    57,686.06/86,567.70 = 20,246.31/x
  3. Step 3: Cross multiply
    57,686.06x = 86,567.70 × 20,246.31
  4. Step 4: Simplify right side
    57,686.06x = 1,752,676,490.19
  5. Step 5: Solve for x
    x = 1,752,676,490.19/57,686.06
  6. Step 6: Final answer
    x = 30,383.02

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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.