Home / 63,140.58-94,690.26-21,009.33

Finding the Fourth Proportional to 63,140.58, 94,690.26 and 21,009.33

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Solution

The fourth proportional to 63,140.58, 94,690.26 and 21,009.33 is: 31,507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,140.58 : 94,690.26 = 21,009.33 : x
  2. Step 2: Convert to fraction form
    63,140.58/94,690.26 = 21,009.33/x
  3. Step 3: Cross multiply
    63,140.58x = 94,690.26 × 21,009.33
  4. Step 4: Simplify right side
    63,140.58x = 1,989,378,920.13
  5. Step 5: Solve for x
    x = 1,989,378,920.13/63,140.58
  6. Step 6: Final answer
    x = 31,507.14

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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.