Home / 57,415.31-86,117.40-17,434.64

Finding the Fourth Proportional to 57,415.31, 86,117.40 and 17,434.64

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Solution

The fourth proportional to 57,415.31, 86,117.40 and 17,434.64 is: 26,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,415.31 : 86,117.40 = 17,434.64 : x
  2. Step 2: Convert to fraction form
    57,415.31/86,117.40 = 17,434.64/x
  3. Step 3: Cross multiply
    57,415.31x = 86,117.40 × 17,434.64
  4. Step 4: Simplify right side
    57,415.31x = 1,501,426,089.69
  5. Step 5: Solve for x
    x = 1,501,426,089.69/57,415.31
  6. Step 6: Final answer
    x = 26,150.27

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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.