Home / 42,849.76-64,277.64-13,263.70

Finding the Fourth Proportional to 42,849.76, 64,277.64 and 13,263.70

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Solution

The fourth proportional to 42,849.76, 64,277.64 and 13,263.70 is: 19,896.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,849.76 : 64,277.64 = 13,263.70 : x
  2. Step 2: Convert to fraction form
    42,849.76/64,277.64 = 13,263.70/x
  3. Step 3: Cross multiply
    42,849.76x = 64,277.64 × 13,263.70
  4. Step 4: Simplify right side
    42,849.76x = 852,559,333.67
  5. Step 5: Solve for x
    x = 852,559,333.67/42,849.76
  6. Step 6: Final answer
    x = 19,896.48

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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.