Home / 42,810.11-59,078-23,690.68

Finding the Fourth Proportional to 42,810.11, 59,078 and 23,690.68

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Solution

The fourth proportional to 42,810.11, 59,078 and 23,690.68 is: 32,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,810.11 : 59,078 = 23,690.68 : x
  2. Step 2: Convert to fraction form
    42,810.11/59,078 = 23,690.68/x
  3. Step 3: Cross multiply
    42,810.11x = 59,078 × 23,690.68
  4. Step 4: Simplify right side
    42,810.11x = 1,399,597,993.04
  5. Step 5: Solve for x
    x = 1,399,597,993.04/42,810.11
  6. Step 6: Final answer
    x = 32,693.17

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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.