Home / 42,644.26-63,966.93-11,479.51

Finding the Fourth Proportional to 42,644.26, 63,966.93 and 11,479.51

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Solution

The fourth proportional to 42,644.26, 63,966.93 and 11,479.51 is: 17,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,644.26 : 63,966.93 = 11,479.51 : x
  2. Step 2: Convert to fraction form
    42,644.26/63,966.93 = 11,479.51/x
  3. Step 3: Cross multiply
    42,644.26x = 63,966.93 × 11,479.51
  4. Step 4: Simplify right side
    42,644.26x = 734,309,012.60
  5. Step 5: Solve for x
    x = 734,309,012.60/42,644.26
  6. Step 6: Final answer
    x = 17,219.41

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1.5x scale

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.