Home / 42,151.76-63,236.90-15,856.51

Finding the Fourth Proportional to 42,151.76, 63,236.90 and 15,856.51

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Solution

The fourth proportional to 42,151.76, 63,236.90 and 15,856.51 is: 23,788.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.76 : 63,236.90 = 15,856.51 : x
  2. Step 2: Convert to fraction form
    42,151.76/63,236.90 = 15,856.51/x
  3. Step 3: Cross multiply
    42,151.76x = 63,236.90 × 15,856.51
  4. Step 4: Simplify right side
    42,151.76x = 1,002,716,537.22
  5. Step 5: Solve for x
    x = 1,002,716,537.22/42,151.76
  6. Step 6: Final answer
    x = 23,788.25

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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.