Home / 63,128.40-94,656.60-23,686.80

Finding the Fourth Proportional to 63,128.40, 94,656.60 and 23,686.80

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Solution

The fourth proportional to 63,128.40, 94,656.60 and 23,686.80 is: 35,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,128.40 : 94,656.60 = 23,686.80 : x
  2. Step 2: Convert to fraction form
    63,128.40/94,656.60 = 23,686.80/x
  3. Step 3: Cross multiply
    63,128.40x = 94,656.60 × 23,686.80
  4. Step 4: Simplify right side
    63,128.40x = 2,242,111,952.88
  5. Step 5: Solve for x
    x = 2,242,111,952.88/63,128.40
  6. Step 6: Final answer
    x = 35,516.69

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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.