Home / 42,157.92-63,188.88-14,071.38

Finding the Fourth Proportional to 42,157.92, 63,188.88 and 14,071.38

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Solution

The fourth proportional to 42,157.92, 63,188.88 and 14,071.38 is: 21,091.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.92 : 63,188.88 = 14,071.38 : x
  2. Step 2: Convert to fraction form
    42,157.92/63,188.88 = 14,071.38/x
  3. Step 3: Cross multiply
    42,157.92x = 63,188.88 × 14,071.38
  4. Step 4: Simplify right side
    42,157.92x = 889,154,742.25
  5. Step 5: Solve for x
    x = 889,154,742.25/42,157.92
  6. Step 6: Final answer
    x = 21,091.05

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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.