Home / 42,054.53-63,071.07-12,465.43

Finding the Fourth Proportional to 42,054.53, 63,071.07 and 12,465.43

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Solution

The fourth proportional to 42,054.53, 63,071.07 and 12,465.43 is: 18,694.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,054.53 : 63,071.07 = 12,465.43 : x
  2. Step 2: Convert to fraction form
    42,054.53/63,071.07 = 12,465.43/x
  3. Step 3: Cross multiply
    42,054.53x = 63,071.07 × 12,465.43
  4. Step 4: Simplify right side
    42,054.53x = 786,208,008.11
  5. Step 5: Solve for x
    x = 786,208,008.11/42,054.53
  6. Step 6: Final answer
    x = 18,694.97

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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.