Home / 42,463.26-63,695.04-12,881.35

Finding the Fourth Proportional to 42,463.26, 63,695.04 and 12,881.35

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Solution

The fourth proportional to 42,463.26, 63,695.04 and 12,881.35 is: 19,322.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,463.26 : 63,695.04 = 12,881.35 : x
  2. Step 2: Convert to fraction form
    42,463.26/63,695.04 = 12,881.35/x
  3. Step 3: Cross multiply
    42,463.26x = 63,695.04 × 12,881.35
  4. Step 4: Simplify right side
    42,463.26x = 820,477,944.27
  5. Step 5: Solve for x
    x = 820,477,944.27/42,463.26
  6. Step 6: Final answer
    x = 19,322.07

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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.