Home / 70,858.34-106,293.63-18,267.38

Finding the Fourth Proportional to 70,858.34, 106,293.63 and 18,267.38

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Solution

The fourth proportional to 70,858.34, 106,293.63 and 18,267.38 is: 27,402.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,858.34 : 106,293.63 = 18,267.38 : x
  2. Step 2: Convert to fraction form
    70,858.34/106,293.63 = 18,267.38/x
  3. Step 3: Cross multiply
    70,858.34x = 106,293.63 × 18,267.38
  4. Step 4: Simplify right side
    70,858.34x = 1,941,706,130.79
  5. Step 5: Solve for x
    x = 1,941,706,130.79/70,858.34
  6. Step 6: Final answer
    x = 27,402.65

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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.