Home / 42,927.17-64,390.44-13,344.95

Finding the Fourth Proportional to 42,927.17, 64,390.44 and 13,344.95

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Solution

The fourth proportional to 42,927.17, 64,390.44 and 13,344.95 is: 20,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,927.17 : 64,390.44 = 13,344.95 : x
  2. Step 2: Convert to fraction form
    42,927.17/64,390.44 = 13,344.95/x
  3. Step 3: Cross multiply
    42,927.17x = 64,390.44 × 13,344.95
  4. Step 4: Simplify right side
    42,927.17x = 859,287,202.28
  5. Step 5: Solve for x
    x = 859,287,202.28/42,927.17
  6. Step 6: Final answer
    x = 20,017.33

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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.