Home / 61,420.37-92,133.17-21,443.38

Finding the Fourth Proportional to 61,420.37, 92,133.17 and 21,443.38

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Solution

The fourth proportional to 61,420.37, 92,133.17 and 21,443.38 is: 32,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,420.37 : 92,133.17 = 21,443.38 : x
  2. Step 2: Convert to fraction form
    61,420.37/92,133.17 = 21,443.38/x
  3. Step 3: Cross multiply
    61,420.37x = 92,133.17 × 21,443.38
  4. Step 4: Simplify right side
    61,420.37x = 1,975,646,438.40
  5. Step 5: Solve for x
    x = 1,975,646,438.40/61,420.37
  6. Step 6: Final answer
    x = 32,165.98

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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.