Home / 42,314.74-63,405.34-15,623.99

Finding the Fourth Proportional to 42,314.74, 63,405.34 and 15,623.99

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Solution

The fourth proportional to 42,314.74, 63,405.34 and 15,623.99 is: 23,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,314.74 : 63,405.34 = 15,623.99 : x
  2. Step 2: Convert to fraction form
    42,314.74/63,405.34 = 15,623.99/x
  3. Step 3: Cross multiply
    42,314.74x = 63,405.34 × 15,623.99
  4. Step 4: Simplify right side
    42,314.74x = 990,644,398.11
  5. Step 5: Solve for x
    x = 990,644,398.11/42,314.74
  6. Step 6: Final answer
    x = 23,411.33

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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.