Home / 42,941.26-64,434.93-18,311.50

Finding the Fourth Proportional to 42,941.26, 64,434.93 and 18,311.50

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Solution

The fourth proportional to 42,941.26, 64,434.93 and 18,311.50 is: 27,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,941.26 : 64,434.93 = 18,311.50 : x
  2. Step 2: Convert to fraction form
    42,941.26/64,434.93 = 18,311.50/x
  3. Step 3: Cross multiply
    42,941.26x = 64,434.93 × 18,311.50
  4. Step 4: Simplify right side
    42,941.26x = 1,179,900,220.70
  5. Step 5: Solve for x
    x = 1,179,900,220.70/42,941.26
  6. Step 6: Final answer
    x = 27,477.07

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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.