Home / 42,849.74-64,277.66-13,263.76

Finding the Fourth Proportional to 42,849.74, 64,277.66 and 13,263.76

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Solution

The fourth proportional to 42,849.74, 64,277.66 and 13,263.76 is: 19,896.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,849.74 : 64,277.66 = 13,263.76 : x
  2. Step 2: Convert to fraction form
    42,849.74/64,277.66 = 13,263.76/x
  3. Step 3: Cross multiply
    42,849.74x = 64,277.66 × 13,263.76
  4. Step 4: Simplify right side
    42,849.74x = 852,563,455.60
  5. Step 5: Solve for x
    x = 852,563,455.60/42,849.74
  6. Step 6: Final answer
    x = 19,896.58

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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.