Home / 61,038.06-84,261.70-40,654.02

Finding the Fourth Proportional to 61,038.06, 84,261.70 and 40,654.02

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Solution

The fourth proportional to 61,038.06, 84,261.70 and 40,654.02 is: 56,121.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,038.06 : 84,261.70 = 40,654.02 : x
  2. Step 2: Convert to fraction form
    61,038.06/84,261.70 = 40,654.02/x
  3. Step 3: Cross multiply
    61,038.06x = 84,261.70 × 40,654.02
  4. Step 4: Simplify right side
    61,038.06x = 3,425,576,729.86
  5. Step 5: Solve for x
    x = 3,425,576,729.86/61,038.06
  6. Step 6: Final answer
    x = 56,121.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.