Home / 63,127.29-94,703.90-18,750.09

Finding the Fourth Proportional to 63,127.29, 94,703.90 and 18,750.09

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Solution

The fourth proportional to 63,127.29, 94,703.90 and 18,750.09 is: 28,128.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,127.29 : 94,703.90 = 18,750.09 : x
  2. Step 2: Convert to fraction form
    63,127.29/94,703.90 = 18,750.09/x
  3. Step 3: Cross multiply
    63,127.29x = 94,703.90 × 18,750.09
  4. Step 4: Simplify right side
    63,127.29x = 1,775,706,554.60
  5. Step 5: Solve for x
    x = 1,775,706,554.60/63,127.29
  6. Step 6: Final answer
    x = 28,128.98

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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.