Home / 61,328.47-92,002.43-19,765.75

Finding the Fourth Proportional to 61,328.47, 92,002.43 and 19,765.75

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Solution

The fourth proportional to 61,328.47, 92,002.43 and 19,765.75 is: 29,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,328.47 : 92,002.43 = 19,765.75 : x
  2. Step 2: Convert to fraction form
    61,328.47/92,002.43 = 19,765.75/x
  3. Step 3: Cross multiply
    61,328.47x = 92,002.43 × 19,765.75
  4. Step 4: Simplify right side
    61,328.47x = 1,818,497,030.77
  5. Step 5: Solve for x
    x = 1,818,497,030.77/61,328.47
  6. Step 6: Final answer
    x = 29,651.76

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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.