Home / 56,872.34-85,272.02-23,615.36

Finding the Fourth Proportional to 56,872.34, 85,272.02 and 23,615.36

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Solution

The fourth proportional to 56,872.34, 85,272.02 and 23,615.36 is: 35,407.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,872.34 : 85,272.02 = 23,615.36 : x
  2. Step 2: Convert to fraction form
    56,872.34/85,272.02 = 23,615.36/x
  3. Step 3: Cross multiply
    56,872.34x = 85,272.02 × 23,615.36
  4. Step 4: Simplify right side
    56,872.34x = 2,013,729,450.23
  5. Step 5: Solve for x
    x = 2,013,729,450.23/56,872.34
  6. Step 6: Final answer
    x = 35,407.89

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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.