Home / 63,263.22-94,862.54-21,128.12

Finding the Fourth Proportional to 63,263.22, 94,862.54 and 21,128.12

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Solution

The fourth proportional to 63,263.22, 94,862.54 and 21,128.12 is: 31,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,263.22 : 94,862.54 = 21,128.12 : x
  2. Step 2: Convert to fraction form
    63,263.22/94,862.54 = 21,128.12/x
  3. Step 3: Cross multiply
    63,263.22x = 94,862.54 × 21,128.12
  4. Step 4: Simplify right side
    63,263.22x = 2,004,266,707.13
  5. Step 5: Solve for x
    x = 2,004,266,707.13/63,263.22
  6. Step 6: Final answer
    x = 31,681.39

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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.