Home / 42,622.14-63,930.90-13,039.97

Finding the Fourth Proportional to 42,622.14, 63,930.90 and 13,039.97

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Solution

The fourth proportional to 42,622.14, 63,930.90 and 13,039.97 is: 19,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,622.14 : 63,930.90 = 13,039.97 : x
  2. Step 2: Convert to fraction form
    42,622.14/63,930.90 = 13,039.97/x
  3. Step 3: Cross multiply
    42,622.14x = 63,930.90 × 13,039.97
  4. Step 4: Simplify right side
    42,622.14x = 833,657,018.07
  5. Step 5: Solve for x
    x = 833,657,018.07/42,622.14
  6. Step 6: Final answer
    x = 19,559.25

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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.