Home / 42,462.94-63,703.57-12,883.16

Finding the Fourth Proportional to 42,462.94, 63,703.57 and 12,883.16

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Solution

The fourth proportional to 42,462.94, 63,703.57 and 12,883.16 is: 19,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,462.94 : 63,703.57 = 12,883.16 : x
  2. Step 2: Convert to fraction form
    42,462.94/63,703.57 = 12,883.16/x
  3. Step 3: Cross multiply
    42,462.94x = 63,703.57 × 12,883.16
  4. Step 4: Simplify right side
    42,462.94x = 820,702,966.36
  5. Step 5: Solve for x
    x = 820,702,966.36/42,462.94
  6. Step 6: Final answer
    x = 19,327.51

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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.